Updated on 2022/11/28

写真a

 
FUKAZAWA, Yoshiaki
 
Scopus Paper Info  
Paper Count: 0  Citation Count: 0  h-index: 13

Citation count denotes the number of citations in papers published for a particular year.

Affiliation
Faculty of Science and Engineering, School of Fundamental Science and Engineering
Job title
Professor

Concurrent Post

  • Faculty of Science and Engineering   Graduate School of Advanced Science and Engineering

  • Faculty of Science and Engineering   Graduate School of Fundamental Science and Engineering

  • Faculty of Science and Engineering   School of Advanced Science and Engineering

  • Affiliated organization   Global Education Center

Research Institute

  • 2020
    -
    2022

    理工学術院総合研究所   兼任研究員

Education

  • 1978
    -
    1983

    早稲田大学 大学院 理工学研究科 博士課程 電気工学専攻  

  • 1976
    -
    1978

    早稲田大学 大学院 理工学研究科 修士課程 電気工学専攻  

  • 1972
    -
    1976

    Waseda University   Faculty of Science and Engineering   Department of Electrical Engineering  

Degree

  • Waseda University   Doctor of Engneering

Research Experience

  • 1992
    -
    Now

    早稲田大学教授

  • 1987
    -
    1992

    Waseda University, Associative Professor

  • 1983
    -
    1987

    Sagami Institute of Technology, Lecturer

  • 1981
    -
    1983

    Sagami Institute of Technology, Lecturer

  • 1978
    -
    1981

    Waseda University, Research Assistant

Professional Memberships

  •  
     
     

    ACM

  •  
     
     

    IEEE

  •  
     
     

    日本ソフトウェア科学会

  •  
     
     

    電子情報通信学会

  •  
     
     

    情報処理学会

 

Research Areas

  • Software

Research Interests

  • Software Engineering

Papers

  • Gender Characteristics and Computational Thinking in Scratch

    Rose Niousha, Saito Daisuke, Hironori Washizaki, Yoshiaki Fukazawa

    54th ACM Technical Symposium on Computer Science Education    2023.03  [Refereed]

  • Scratch Project Analysis: Relationship Between Gender and Computational Thinking Skill

    Rose Niousha, Daisuke Saito, Hironori Washizaki, Yoshioaki Fukazawa

    IEEE International Conference on Teaching, Assessment, and Learning for Engineering    2022.12  [Refereed]

  • Detecting Design Patterns in UML Class Diagram Images using Deep Learning

    Xun Zhang, Hironori Washizaki, Nobukazu Yoshioka, Yoshiaki Fukazawa

    24th IEEE/ACIS International Winter Conference on Software, Artificial Intelligence, Networking and Parallel/Distributed Computing    2022.11  [Refereed]

  • Improving Fuzzing Coverage with Execution Path Length Selection

    Wenxi Zhang, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    33rd IEEE International Symposium on Software Reliability Engineering    2022.10  [Refereed]

  • Modeling Tool for Managing Canvas-Based Models Traceability in ML System Development

    Jati H. Husen, Hironori Washizaki, Hnin Thandar Tun, Nobukazu Yoshioka, Yoshiaki Fukazawa

    25th International Conference on Model Driven Engineering Languages and Systems    2022.10  [Refereed]

  • Supporting conveyance of webpages by highlighting text for visually impaired persons

    Daisuke Sayama, Junko Shirogane, Hajime Iwata, Yoshiaki Fukazawa

    14th International Joint Conference on Knowledge-Based Software Engineering    2022.08  [Refereed]

  • Validity of Animation When Finding Errors by Chuggington

    Yui Ono, Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    World Conference on Computers in Education    2022.08  [Refereed]

  • Learning Effects of a Coding-Based Board Game for Beginning Students Learning to Program

    Ryusei Takei, Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    World Conference on Computers in Education, hybrid    2022.08  [Refereed]

  • Automatic labeling of the elements of a vulnerability report CVE with NLP

    Kensuke Sumoto, Kenta Kanakogi, Hironori Washizaki, Nobukazu Yoshioka, Naohiko Tsuda, Yoshiaki Fukazawa, Hideyuki Kanuka

    23rd International Conference on Information Reuse and Integration for Data Science    2022.08  [Refereed]

  • Automatic generation of user-sensitive and application-sensitive self-adapted UI system for smartphone applications

    Zule Ruan, Yoshiaki Fukazawa, Junko Shirogane

    International Congress on Human-Computer Interaction, Optimization and Robotic Applications    2022.07  [Refereed]

  • Visualization of Automated Program Repair Focusing on Suspiciousness Values

    Naoki Tane, Yusaku Ito, Hrionori Washizaki, Yoshiaki Fukazawa

    34th International Conference on Software Engineering and Knowledge Engineering     243 - 248  2022.07  [Refereed]

  • Article WOJR: A Recommendation System for Providing Similar Problems to Programming Assignments

    Ryoya Yoshimura, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    Applied Systems on Emerging Technologies and Educational Innovations   5 ( 3 ) 1 - 18  2022.05  [Refereed]

  • Traceable Business-to-Safety Analysis Framework for Safety-critical Machine Learning Systems

    Jati Hiliamsyah Husen, Hironori Washizaki, Hnin Tun, Nobukazu Yoshioka, Hironori Takeuchi, Yoshiaki Fukazawa

    1st International Conference on AI Engineering - Software Engineering for AI    2022.05  [Refereed]

  • Research on Determination of Webpage Reading Order

    Koki Tsumura, Junko Shirogane, Hajime Iwata, Yoshiaki Fukazwa

    The IADIS Information Systems Conference    2022.03  [Refereed]

  • Comparative Evaluation of NLP-Based Approaches for Linking CAPEC Attack Patterns from CVE Vulnerability Information

    Kenta Kanakogi, Hironori Washizaki, Yoshiaki Fukazawa, Shinpei Ogata, Takao Okubo, Takehisa Kato, Hideyuki Kanuka, Atsuo Hazeyama, Nobukazu Yoshioka

    Software Engineering: Computer Science and System, MDPI     1 - 16  2022.03  [Refereed]

  • Categorization and Visualization of Issue Tickets to Support Understanding of Implemented Features in Software Development Projects

    Ryo Ishizuka, Hironori Washizaki, Naohiko Tsuda, Yoshiaki Fukazawa, Saori Ouji, Shinobu Saito, Yukako Iimura

    Software Engineering: Computer Science and System, MDPI     1 - 24  2022.03  [Refereed]

  • Recommendation System Providing Similar Problems Instead of Model Answers to Programming Assignments

    Ryoya Yoshimura, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    5th IEEE Eurasian Conference on Educational Innovation 2022    2022.02  [Refereed]

  • Accelerating covering array generation by combinatorial join for industry scale software testing

    Hiroshi Ukai, Xiao Qu, Hironori Washizaki, Yoshiaki Fukazawa

    PeerJ Computer Science     1 - 47  2022.02  [Refereed]

  • Proposal of Rubric for Information Security Education Materials

    Daisuke Saito, Shumon Masuda, Hironori Washizaki, Yoshiaki Fukazawa, Toshiharu Nshizawa, “Proposal of, Rubric for Information Security, Education Materials”, Journal, of Digital Life

      2   1 - 10  2022  [Refereed]

  • Digital Transformation of Higher Education in Japan

    Yoshiaki Fukazawa

    International Symposium for Digital Transformation of Higher and Recurrent Education through Industry-Academia Collaboration   70 ( 3 ) 3_3 - 3_8  2022.01  [Refereed]

     View Summary

    The digital transformation of society and universities has been accelerating in the COVID-19 pandemic. The digital transformation of education will advance beyond distance and time by utilizing digital technology and develop international and industry-university collaboration. The Japanese Society for Engineering Education initiated a survey and research committee in April 2021. First, the direction of the digital transformation of engineering education will be presented through a multifaceted survey of social needs, information technology, international collaboration, and industry-academia-government collaboration. Secondly, as an advanced model, the realization of graduate and recurrent education in international inter-university and industry-academia collaboration is investigated. This paper is an interim report.

    DOI

  • Goal-Centralized Metamodel Based Requirements Integration for Machine Learning Systems

    Hnin Thandar Tun, Jati H. Husen, Nobukazu Yoshioka, Hironori Washizaki, Yoshiaki Fukazawa

    3rd International Workshop on Machine Learning Systems Engineering in Conjunction with APSEC 2021    2021.12  [Refereed]

  • Landscape of Requirements Engineering for Machine Learning-based AI Systems

    Nobukazu Yoshioka, Jati H. Husen, Hnin Thandar Tun, Zhenxiang Chen, Hironori Washizaki, Yoshiaki Fukazawa

    3rd International Workshop on Machine Learning Systems Engineering in Conjunction with APSEC 2021    2021.12  [Refereed]

  • Literature Review on Log Anomaly Detection Approaches Utilizing Online Parsing Methodology

    Scott Lupton, Hironori Washizaki, Nobukazu Yoshioka, Yoshiaki Fukazawa

    28th Asia-Pacific Software Engineering Conference     559 - 563  2021.12  [Refereed]

    DOI

  • Development of a Game to Foster Programming Thinking for Learning through Reading Program

    Daisuke Saito, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa, Shyuichi Uchiyama, Ramzi Ramzi

    IEEE International Conference on Engineering, Technology, and Education     871 - 876  2021.12  [Refereed]

  • Bug Fixing versus Code Reading: Which is Better for Algorithm Learning?

    Yuki Kuramochi, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    IEEE International Conference on Engineering, Technology, and Education     218 - 225  2021.12  [Refereed]

  • When is Continuous Integration Useful? Empirical Study on Team Size and Reporters in Development

    Naoko Imai, Hironori Washizaki, Naohiko Tsuda, Yoshiaki Fukuzawa

    32nd International Symposium on Software Reliability Engineering     284 - 285  2021.10  [Refereed]

  • Online Log Parsing: Preliminary Literature Review

    Scott Lupton, Hironori Washizaki, Nobukazu Yoshioka, Yoshiaki Fukazawa

    32nd International Symposium on Software Reliability Engineering     304 - 305  2021.10  [Refereed]

  • Adversarial Multi-Task Learning-Based Bug Fixing Time and Severity Prediction

    Qicong Liu, Hironori Washizaki, Yoshiaki Fukazawa

    2021 IEEE 10th Global Conference on Consumer Electronics    2021.10  [Refereed]

  • Evaluating Partial Correctness of Programs in Automated Program Repair

    Yusaku Ito, Hironori Washizaki, Kazunori Sakamoto, Yoshiaki Fukazawa

    2021 IEEE 10th Global Conference on Consumer Electronics    2021.10  [Refereed]

  • Feature Extraction Method for Cross-Architecture Binary Vulnerability Detection

    Ziyang Li, Hironori Washizaki, Yoshiaki Fukazawa

    2021 IEEE 10th Global Conference on Consumer Electronics    2021.10  [Refereed]

  • Goal-Oriented Machine Learning-Based Component Development Process

    Jati H. Husen, Hnin Thandar Tun, Nobukazu Yoshioka, Hironori Washizaki, Yoshiaki Fukazawa

        643 - 644  2021.10  [Refereed]

  • Software Engineering Patterns for Machine Learning Applications (SEP4MLA) – Part 3 – Data Processing Architectures

    Jomphon Runpakprakun, Sien Reeve, Ordonez Peralta, Hironori Washizaki, Foutse Khomh, Yann-Gael Gueheneuc, Nobukazu Yoshioka, Yoshiaki Fukazawa

    28th Conference on Pattern Languages of Programs     1 - 11  2021.10  [Refereed]

  • Deep Cross-Project Software Reliability Growth Model using Project Similarity Based Clustering

    Kyawt Kyawt San, Hironori Washizaki, Yoshiaki Fukazawa, Kiyoshi Honda, Masahiro Taga, Akira Matsuzaki

    Mathematics, Special Issue on Mathematics in Software Reliability and Quality Assurance     1 - 23  2021.10  [Refereed]

  • Duplicate Bug Report Detection by Using Sentence Embedding and Fine-tuning

    Haruna Isotani, Hironori Washizaki, Yoshiaki Fukazawa, Tsutomu Nomoto, Saori Ouji, Shinobu Saito

    37th IEEE International Conference on Software Maintenance and Evolution     535 - 544  2021.09  [Refereed]

  • Preliminary Literature Review of Machine Learning System Development Practice

    Yasuhiro Watanabe, Hironori Washizaki, Kazunori Sakamoto, Daisuke Saito, Kiyoshi Honda, Naohiko Tsuda, Yoshiaki Fukazawa, Nobukazu Yoshioka

    45th IEEE Computer Society Signature Conference on Computers, Software and Applications     1407 - 1408  2021.07  [Refereed]

     View Summary

    To guide practitioners and researchers to design and research Machine Learning (ML) system development processes, we conduct a preliminary literature review on ML system development practices. We identified seven papers and two other papers determined in an ad-hoc review. Our findings include emphasized phases in ML system developments, frequently described ML-specific practices, and tailored traditional practices.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Automated educational program mapping on learning standards in computer science

    Koki Miura, Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    45th IEEE Computer Society Signature Conference on Computers, Software and Applications     1405 - 1406  2021.07  [Refereed]

     View Summary

    There are many lectures for students or working adults. Educational institutions have created a table that associates educational courses with learning standards in order to understand the content of these courses. Learning standards such as SFIA (Skills Framework for an Information Age) indicate the skills that learners should learn. The mapped table can make contents clear for students or other educational institutions.

    DOI

    Scopus

  • Automatic Generation of Tutorial Systems for Smartphone Applications

    Sixin Hua, Yoshiaki Fukazawa

    12th International Conference on Information, Intelligence, Systems and Applications     1 - 8  2021.07  [Refereed]

  • Tracing CVE Vulnerability Information to CAPEC Attack Patterns Using Natural Language Processing Techniques

    Kenta Kanakogi, Hironori Washizaki, Yoshiaki Fukazawa, Shinpei Ogata, Takao Okubo, Takehisa Kato, Hideyuki Kanuka, Atsuo Hazeyama, Nobukazu Yoshioka

    MDPI   12 ( 8 ) 1 - 15  2021.07  [Refereed]

     View Summary

    For effective vulnerability management, vulnerability and attack information must be collected quickly and efficiently. A security knowledge repository can collect such information. The Common Vulnerabilities and Exposures (CVE) provides known vulnerabilities of products, while the Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of common attributes and approaches employed by adversaries to exploit known weaknesses. Due to the fact that the information in these two repositories are not linked, identifying related CAPEC attack information from CVE vulnerability information is challenging. Currently, the related CAPEC-ID can be traced from the CVE-ID using Common Weakness Enumeration (CWE) in some but not all cases. Here, we propose a method to automatically trace the related CAPEC-IDs from CVE-ID using three similarity measures: TF–IDF, Universal Sentence Encoder (USE), and Sentence-BERT (SBERT). We prepared and used 58 CVE-IDs as test input data. Then, we tested whether we could trace CAPEC-IDs related to each of the 58 CVE-IDs. Additionally, we experimentally confirm that TF–IDF is the best similarity measure, as it traced 48 of the 58 CVE-IDs to the related CAPEC-ID.

    DOI

    Scopus

    8
    Citation
    (Scopus)
  • Extracting features related to bug fixing time of bug reports by deep learning and gradient-based visualization

    Yuki Noyori, Hironori Washizaki, Yoshiaki Fukazawa, Keishi Ooshima, Hideyuki Kanuka, Shuhei Nojiri, Ryosuke Tsuchiya

    2021 IEEE International Conference on Artificial Intelligence and Computer Applications     402 - 407  2021.06  [Refereed]

  • Comparing participants’ brainwaves during Solo, Pair, and Mob Programming

    Makoto Shiraishi, Hironori Washizaki, Daisuke Saito, Yoshiaki Fukazawa

    22nd International Conference on Agile Software Development   419 LNBIP   200 - 209  2021.06  [Refereed]

     View Summary

    Participants’ feelings and impressions utilizing electroencephalography (EEG) and the effectiveness of code are compared for different types of programming sessions. EEG information is obtained as an alternate viewpoint during three programming sessions (solo, pair, and mob programming). MindWave Mobile 2 (brainwave detector) is equipped to collect the attention levels, meditation levels, and EEG brainwaves. These data are utilized to distinguish efficiencies, weaknesses, and points of interest by programming session. The results provide preliminary information to distinguish between the three sessions, but further studies are necessary to make firm conclusions. Additionally, alternative methods or systems are required to analyze the collected data.

    DOI

    Scopus

  • Work-in-Progress: Analysis of the use of Mentoring with Online Mob Programming

    Shota Kaieda, Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    IEEE EDUCON2021 Global Engineering Education Conference     1424 - 1428  2021.04  [Refereed]

     View Summary

    Extreme programming (XP) approaches such as pair and mob programming (PP and MP, respectively) have been introduced to the educational sector. However, higher education curricula have started implementing online courses as a method for teaching programming, which poses challenges when conducting XP. Because social factors are vital to learning, we examine a project-based learning method using online MP that introduces a high level of communication. It also maintains the advantages of PP through the "driver" and "navigator" approach. However, there are multiple complications, including discomfort, slow code generation, and interpersonal issues, when using conventional MP. Accordingly, we introduce a mentoring approach to the MP setup and examine the differences compared to conventional MP sessions. We create and analyze co-occurrence networks of codes found via open coding. In this paper, we explain our method and show its advantages based on the results of our analysis.

    DOI

    Scopus

  • User-Adaptive Notification Sound Assignment for Notification Messages

    Marina Sakai, Junko Shirogane, Hajime Iwata, Yoshiaki Fukazawa

    14th IADIS International Conference Information Systems 2021    2021.03  [Refereed]

  • Validation of Rubric Evaluation for Programming Education

    Daisuke Saito, Risei Yajima, Hironori Washizaki, Yoshiaki Fukazawa

    Education Sciences, Special Issue on The Digitalized K-12 Classroom in the Age of AI, Analytics and IoT   11 ( 10 ) 1 - 18  2021  [Refereed]

     View Summary

    In evaluating the learning achievement of programming-thinking skills, the method of using a rubric that describes evaluation items and evaluation stages is widely employed. However, few studies have evaluated the reliability, validity, and consistency of the rubrics themselves. In this study, we introduced a statistical method for evaluating the characteristics of rubrics using the goal question metric (GQM) method. Furthermore, we proposed a method for measuring four evaluation results and characteristics obtained from rubrics developed using this statistical method. Moreover, we showed and confirmed the consistency and validity of the statistical method using the GQM method of the resulting developed rubrics. We show how to verify the consistency and validity of the rubric using the GQM method.</p>

    DOI

    Scopus

  • Tracing CAPEC Attack Patterns from CVE Vulnerability Information using Natural Language Processing Technique

    Kenta Kanakogi, Hironori Washizaki, Yoshiaki Fukazawa, Shinpei Ogata, Takao Okubo, Takehisa Kato, Hideyuki Kanuka, Atsuo Hazeyama, Nobukazu Yoshioka

    54th Hawaii International Conference on System Sciences     6996 - 7004  2021.01  [Refereed]

  • Data-Driven Persona Retrospective Based on Persona Significance Index in B-to-B Software Development

    Yasuhiro Watanabe, Hironori Washizaki, Kiyoshi Honda, Yoshiaki Fukazawa, Masahiro Taga, Akira Matsuzaki, Takayoshi Suzuki

    International Journal of Software Engineering and Knowledge Engineering   31 ( 1 ) 117 - 146  2021  [Refereed]

     View Summary

    Business-to-Business (B-to-B) software development companies develop services to satisfy their customers’ requirements. Developers should prioritize customer satisfaction because customers greatly influence agile software development. However, satisfying current customer’s requirements may not fulfill actual users or future customers’ requirements because customers’ requirements are not always derived from actual users. To reconcile these differences, developers should identify conflicts in their strategic plan. This plan should consider current commitments to end users and their intentions as well as employ a data-driven approach to adapt to rapid market changes. A persona models an end user representation in human-centered design. Although previous works have applied personas to software development and proposed data-driven software engineering frameworks with gap analysis between the effectiveness of commitments and expectations, the significance of developers’ commitment and quantitative decision-making are not considered. Developers often do not achieve their business goal due to conflicts. Hence, the target of commitments should be validated. To address these issues, we propose Data-Driven Persona Retrospective (DDR) to help developers plan future releases. DDR, which includes the Persona Significance Index (PerSI) to reflect developers’ commitments to end users’ personas, helps developers identify a gap between developers’ commitments to personas and expectations. In addition, DDR identifies release situations with conflicts based on PerSI. Specifically, we define four release cases, which include different situations and issues, and provide a method to determine the release case based on PerSI. Then we validate the release cases and their determinations through a case study involving a Japanese cloud application and discuss the effectiveness of DDR.

    DOI

  • Systematic Literature Review of Security Pattern Research

    Hironori Washizaki, Tian Xia, Natsumi Kamata, Yoshiaki Fukazawa, Hideyuki Kanuka, Takehisa Kato, Masayuki Yoshino, Takao Okubo, Shinpei Ogata, Haruhiko Kaiya, Atsuo Hazeyama, Takafumi Tanaka, Nobukazu Yoshioka, G. Priyalakshmi

    MDPI journal   12 ( 1 ) 36 - 36  2021.01  [Refereed]

    DOI

    Scopus

    2
    Citation
    (Scopus)
  • CSPM: Metamodel for Handling Security and Privacy Knowledge in Cloud Service Development

    Tian Xia, Hironori Washizaki, Yoshiaki Fukazawa, Haruhiko Kaiya, Shinpei Ogata, Eduardo B. Fernandez, Takehisa Kato, Hideyuki Kanuka, Takao Okubo, Nobukazu Yoshioka, Atsuo Hazeyama

    International Journal of Systems and Software Security and Protection, IGI-Global   12 ( 1 ) 1 - 21  2021  [Refereed]

     View Summary

    Security and privacy in cloud systems are critical. To address security and privacy concerns, many security patterns, privacy patterns, and non-pattern-based knowledge have been reported. However, knowing which pattern or combination of patterns to use in a specific scenario is challenging due to the sheer volume of options and the layered cloud stack. To deal with security and privacy in cloud services, this study proposes the cloud security and privacy metamodel (CSPM). CSPM uses a consistent approach to classify and handle existing security and privacy patterns. In addition, CSPM is used to develop a security and privacy awareness process to develop cloud systems. The effectiveness and practicality of CSPM is demonstrated via several case studies.

    DOI

  • What are The Features of Good Discussions for Shortening Bug Fixing Time?

    Yuki Noyori, Hironori Washizaki, Yoshiaki Fukazawa, Hideyuki Kanuka, Keishi Ooshima, Shuhei Nojiri, Ryosuke Tsuchiya

    IEICE Transactions on Information and Systems     100 - 106  2021.01  [Refereed]

  • Heterogeneous Information Network based Adaptive Social Influence Learning for Recommendation and Explanation

    Munan Li, Kenji Tei, Yoshiaki Fukazawa

    WI-IAT Virtual Conference, The 2020 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology    2020.12  [Refereed]

  • Method of Applying Df-pn Algorithm to On-the-fly Controller Synthesis

    Kengo Kuwana, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    IEEE Artificial Intelligence & Knowledge Engineering 2020    2020.12  [Refereed]

  • Assessing Elementary School Students’ Programming Thinking Skills using Rubrics

    Daisuke Saito, Shota Kaieda, Risei Yajima, Hironori Washizaki, Yoshiaki Fukazawa, Hidetoshi Omiya, Misaki Onodera, Idumi Sato

    IEEE International Conference on Teaching, Assessment, and Learning for Engineering     181 - 188  2020.12  [Refereed]

     View Summary

    In this study, we evaluated the abilities elementary school students can cultivate through education using programming. We focused on using programming in subject education, e.g., arithmetic and science. The effect of programming education in computer science has been reported extensively; however, it is unclear what abilities utilization of programming in may cultivate in other subjects. Therefore, in this study, we created a rubric to evaluate programming thinking skills. The rubric was applied to actual elementary school math and science classes for evaluation. As a result, in mathematics, the ability to analyze events improved, and, in science, the ability to branch improved. In this paper, we present the rubric and corresponding evaluation results.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Automated Tool for Revising Masking MC/DC Test Suite

    Zhenxiang Chen, Hironori Washizaki, Yoshiaki Fukazawa

       2020.10  [Refereed]

  • Identification of Webpage Layout Patterns based on Lines of Vision

    Junko Shirogane, Atsuko Eguchi, Hajime Iwata, Yoshiaki Fukazawa

    13th International Joint Conference on Knowledge-Based Software Engineering    2020.08  [Refereed]

  • Binary Similarity Analysis for Vulnerability Detection

    Zeming Tai, Hironori Washizaki, Yoshiaki Fukazawa, Yurie Fujimatsu, Jun Kanai

    Binary Similarity Analysis for Vulnerability Detection    2020.07  [Refereed]

  • Smart SE: Smart Systems and Services Innovative Professional Education Program

    Hironori Washizaki, Kenji Tei, Kazunori Ueda, Hayato Yamana, Yoshiaki Fukazawa, Shinichi Honiden, Shoichi Okazaki, Nobukazu Yoshioka, Naoshi Uchihira

    The 44th IEEE Computer Society Signature Conference on Computers, Software and Applications    2020.07  [Refereed]

    DOI

  • Visualization Method of Important Regions by Combination of Webpage Structures and Saliency Maps

    Yuya Inagaki, Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa

    the 15th International Conference on Software Technologies    2020.07  [Refereed]

  • A Packet Aggregation Scheme for Communication Networks Consisted of Mainly Low-Latency Required Packets

    Takaya Furuta, Ryuichi Takahashi, Yoshiaki Fukazawa

    2020 2nd International Conference on Computer Communication and the Internet    2020.06  [Refereed]

  • Commit–Defect and Architectural Metrics–based Quality Assessment of C language

    Devansh Tiwari, Hironori Washizaki, Yoshiaki Fukazawa, Tomoyuki Fukuoka, Junji Tamaki, Nobuhiro Hosotani, Munetaka Kohama, Yann-Gael Gueheneuc

    15th International Conference on Evaluation of Novel Approaches to Software Engineering    2020.05  [Refereed]

  • Improving Syntactical Clone Detection Methods through the Use of an Intermediate Representation

    Pedro Caldeira, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa, Takahisa Shimada

    2020 IEEE 14th International Workshop on Software Clones (IWSC)    2020.02  [Refereed]

    DOI

  • Systematical Alignment of Business Requirements and System Functions by Linking GQM+Strategies and SysML

    Natsuki Mimura, Shuji Okuda, Hironori Washizaki, Katsutoshi Shintani, Yoshiaki Fukazawa

    International Journal of Service and Knowledge Management   4 ( 2 ) 1 - 21  2020  [Refereed]

  • Rubric for Measuring and Visualizing the Effects of Learning Computer Programming for Elementary School Students

    Daisuke Saito, Shota Kaieda, Hironori Washizaki, Yoshiaki Fukazawa

    Journal of Information Technology Education: Innovations in Practice   19   203 - 227  2020  [Refereed]

  • Prioritization in Automotive Software Testing: Systematic Literature Review and Directions for Future Research

    Naohiko Tsuda, Ankush Dadwal, Hironori Washizaki, Yoshiaki Fukazawa, Masashi Mizoguchi, Kentaro Yoshimura

    Chapter in Research and Evidence in Software Engineering: From Empirical Studies to Open Source Artifacts, CRC Press    2020  [Refereed]

  • PVC.js: Visualizing C Programs on Web Browsers for Novices

    Ryosuke Ishizue, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    Heliyon     1 - 16  2020  [Refereed]

  • An Efficient Adaptive Attention Neural Network for Social Recommendation

    Munan Li, Kenji Tei, Yoshiaki Fukazawa

    IEEE Access   8   63595 - 63606  2020  [Refereed]

    DOI

  • Industrial Case Study on Time Series Analysis of Metrics Changes Based on GQM Models

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Masahiro Taga, Akira Matsuzaki

       2019.12  [Refereed]

  • Categorizing and Visualizing Issue Tickets to Better Understand the Features Implemented in Existing Software Systems

    Ryo Ishizuka, Hironori Washizaki, Yoshiaki Fukazawa, Shinobu Saito, Saori Ouji

       2019.12  [Refereed]

  • Learning Effects in Programming Learning Using Python and Raspberry Pi: Case Study with Elementary School Students

    Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa, Tetsuya Yoshida, Isamu Kaneko, Hirotaka Kamo

       2019.12  [Refereed]

  • Deep Cross-Project Software Reliability Growth Model

    Kyawt San Kyawt, Hironori Washizaki, Yoshiaki Fukazawa, Kiyoshi Honda, Masahiro Taga, Akira Matsuzaki

       2019.10  [Refereed]

  • The Proposal of Model Transformation Support Method Based on Model Editing Operation History

    Naoto Wada, Yuki Noyori, Hironori Washizaki, Yoshiaki Fukazawa, Hideyuki Kanuka, Hiroki Ohbayashi

       2019.10  [Refereed]

  • Effects of Software Modifications and Development after an Organizational Change on Software Metrics Value

    Ryo Ishizuka, Naohiko Tsuda, Hironori Washizaki, Yoshiaki Fukazawa, Shunsuke Sugimura, Yuichiro Yauda

    IEICE Transactions on Information and Systems   E102-D ( No.9 ) 1693 - 1695  2019.09  [Refereed]

    DOI

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  • Real-time Resources Allocation Framework for Multi-Task Offloading in Mobile Cloud Computing

    Zhiqiang Gu, Ryuichi Takahashi, Yoshiaki Fukazawa

    The 2019 International Conference on Computer, Information and Telecommunication Systems    2019.08  [Refereed]

  • Dynamic Service Selection based on User Feedback in the IoT Environment

    Huilan Quan, Ryuichi Takahashi, Yoshiaki Fukazawa

    The 2019 International Conference on Computer, Information and Telecommunication Systems    2019.08  [Refereed]

  • What are Good Discussions within Bug Report Comments for Shortening Bug Fixing Time?

    Yuki Noyori, Hironori Washizaki, Yoshiaki Fukazawa, Keishi Ooshima, Hideyuki Kanuka, Shuhei Nojiri, Ryosuke Tsuchiya

    The 19th IEEE International Conference on Software Quality, Reliability & Security    2019.07  [Refereed]

  • Metrics driven architectural analysis using dependency graphs for C language projects

    Devansh Tiwari, Hironori Washizaki, Yoshiaki Fukazawa, Tomoyuki Fukuoka, Junji Tamaki, Nobuhiro Hosotani, Munetaka Kohama

    43rd IEEE Computer Society Signature Conference on Computers, Software and Applications    2019.07  [Refereed]

  • Mob Programming: A System Literature Review

    Makoto Shiraishi, Hironori Washizaki, Yoshiaki Fukazawa, Joseph Yoder

    13th IEEE International Workshop on Quality Oriented Reuse of Software    2019.07  [Refereed]

  • Applying Gamification to Motivate Students to Write High-Quality Code in Programming Assignments

    Remin Kasahara, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    24th ACM Annual Conference on Innovation and Technology in Computer Science Education    2019.07  [Refereed]

  • Generating Linear Temporal Logics based on Property Specification Templates

    Weibin Luo, Hironori Washizaki, Yoshiaki Fukazawa

    20th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing    2019.07  [Refereed]

  • Recovering Transitive Traceability Links among Various Software Artifacts for Developers

    Ryosuke Tsuchiya, Kazuki Nishikawa, Hironori Washizaki, Yoshiaki Fukazawa, Yuya Shinohara, Keishi Oshima, Ryota Mibe

    IEICE Transactions on Information and Systems     1 - 10  2019.07  [Refereed]

    DOI

  • WSQF: Comprehensive Software Quality Evaluation Framework and Benchmark based on the SQuaRE

    Naohiko Tsuda, Hironori Washizaki, Kiyoshi Honda, Hidenori Nakai, Yoshiaki Fukazawa, Motoei Azuma, Toshihiro Komiyama, Tadashi Nakano, Hirotsugu Suzuki, Sumie Morita, Katsue Kojima, Akiyoshi Hando

    International Conference for Sustainable Entrepreneurship     312 - 321  2019.05  [Refereed]

    DOI

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    18
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  • Metamodel for Security and Privacy Knowledge in Cloud Service Development

    Tian Xia, Hironori Washizaki, Yoshiaki Fukazawa, Takehisa Kato, Haruhiko Kaiya, Shinpei Ogata, Eduardo B. Fernandez, Hideyuki Kanuka, Masayuki Yoshino, Dan Yamamoto, Takao Okubo, Nobukazu Yoshioka, Atsuo Hazeyama

    Preprints 2019    2019.04  [Refereed]

    DOI

  • Potential GQM+Strategies Improvement using Balanced Scorecard’s Perspectives

    Jati H. Husen, Hironori Washizaki, Yoshiaki Fukazawa

    IEIE Transactions on Smart Processing and Computing   8  2019.04  [Refereed]

  • Reduce Test Cost by Reusing Test Oracles through Combinatorial Join

    Hiroshi Ukai, Xiao Qu, Hironori Washizaki, Yoshiaki Fukazawa

    12th IEEE International Conference on Software Testing, Verification and Validation Workshops    2019.04  [Refereed]

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • A Pattern Language for Knowledge Handover When People Transition

    Kei Ito, Joseph, W. Yoder, Hironori Washizaki, Yoshiaki Fukazawa

    Tranzaction on Pattern Languabes of Programming   4   183 - 209  2019.03  [Refereed]

    DOI

    Scopus

  • プログラムソースコードのわかりやすさの閾値に基づく評価基準とその導出手法群の評価

    情報処理学会論文誌   60 ( 3 ) 804 - 820  2019.03  [Refereed]

  • Rubric to Evaluate Programming Learning of Elementary School Students

    Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    The 50th ACM Technical Symposium on Computer Science Education    2019.02  [Refereed]

  • Development Support of User Interfaces Adaptive to Use Environment

    Seika Tanaka, Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa

    the 2019 8th International Conference on Software and Computer Applications    2019.02  [Refereed]

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Fault-Tolerant Topology Control for IoT Networks Using Variable K-Connectivity

    Mitsumasa Ota, Ryuichi Takahashi, Yoshiaki Fukazawa

    9th International Conference on Internet Technologies & Society 2019    2019.02  [Refereed]

  • Correlation Between Web Performance and Usability

    Yuji Doken, Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa

    9th International Conference on Internet Technologies & Society 2019    2019.02  [Refereed]

  • Stability-Based Live Migration Using Dynamic Margin

    Ryu Sakamoto, Ryuichi Takahashi, Yoshiaki Fukazawa

    9th International Conference on Internet Technologies & Society 2019    2019.02  [Refereed]

  • Horizontal Relation Identification Method to Handle Misalignment of Goals and Strategies Across Organizational Units

    Yohei Aoki, Chimaki Shimura, Hironori Washizaki, Takanobu Kobori, Yoshiaki Fukazawa, Katsutoshi Shintani, Takuto Nonomura

    IEEE Access     1 - 11  2019  [Refereed]

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • Metrics to Predict Future Modifications and Defects Based on Software Requirements Specifications (SRSs)

    Taketo Tsunoda, Hironori Washizaki, Yosiaki Fukazawa, Sakae Inoue, Yoshiiku Hanai, Masanobu Kanazawa

    IEIE Transactions on Smart Processing and Computing   8 ( 3 ) 210 - 218  2019  [Refereed]

    DOI

    Scopus

  • Designing Secure Software by Testing Application of Security Patterns

    Takanori Kobashi, Hironori Washizaki, Nobukazu Yoshioka, Haruhiko Kaiya, Takao Okubo, Yoshiaki Fukazawa

    Exploring Security in Software Architecture and Design   - 34  2019  [Refereed]

    DOI

    Scopus

    2
    Citation
    (Scopus)
  • Inappropriate Usage Examples in Web API Documentations.

    Masaki Hosono, Susumu Tokumoto, Supasit Monpratarnchai, Hironori Washizaki, Kiyoshi Honda, Hiromasa Nagumo, Hisanobu Sonoda, Yoshiaki Fukazawa, Kazuki Munakata, Takao Nakagawa, Yusuke Nemoto

    2019 IEEE International Conference on Software Maintenance and Evolution(ICSME)     343 - 347  2019  [Refereed]

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • An Empirical Study on the Reliability of the Web API Document

    Masaki Hosono, Hironori Washizaki, Yoshiaki Fukazawa, Kiyoshi Honda

    25th Asia-Pacific Software Engineering Conference    2018.12  [Refereed]

  • Prioritization in Automotive Software Testing: Systematic Literature Review

    Ankush Dadwal, Hironori Washizaki, Yoshiaki Fukazawa, Takahiro Iida, Masashi Mizoguchi, Kentaro Yoshimura

    6th International Workshop on Quantitative Approaches to Software Quality    2018.12  [Refereed]

  • Restructuring Attack Trees to Identify Incorrect or Missing Relationships between Nodes

    Hua Cai, Hironori Washizaki, Yoshiaki Fukazawa, Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka

    The International Workshop on Evidence-based Security and Privacy in the Wild 2018    2018.12  [Refereed]

  • Taxonomy and Literature Survey of Security Pattern Research

    Hironori Washizaki, Tian Xia, Natsumi Kamata, Yoshiaki Fukazawa, Hideyuki Kanuka, Dan Yamaoto, Masayuki Yoshino, Takao Okubo, Shinpei Ogata, Haruhiko Kaiya, Takehisa Kato, Atsuo Hazeyama, Takafumi Tanaka, Nobukazu Yoshioka, G Priyalakshmi

    IEEE Conference on Applications, Information and Network Security (AINS)     1 - 6  2018.11  [Refereed]

     View Summary

    Security patterns encapsulate security-related problems and solutions that recur in certain contexts for secure software system development and operations. Almost 500 security patterns have been proposed since the late 1990s. Technical investigations on their applications have advanced implementation, but the direction, overall picture, and significant technical challenges remain unclear. In this study, we propose a taxonomy for security pattern research by conducting a systematic literature review. Over 200 papers are categorized based on the taxonomy. The taxonomy is expected to guide practitioners to choose existing security pattern methods and tools. In addition, the taxonomy and the survey results should support communications among practitioners and researchers, and improve the quality of security pattern research and the effectiveness of security patterns.

  • Empirical Study on Tendencies for Unstable Situations in Application Results of Software Reliability Growth Model

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Masahiro Taga, Akira Matsuzaki, Takayoshi Suzuki

    The 29th IEEE International Symposium on Software Reliability Engineering    2018.11  [Refereed]

  • Recommendation of Web Service Selection Algorithm based on Web Application Review Analysis

    Kazuma Nishida, Ryuichi Takahashi, Yoshiaki Fukazawa

       2018.10  [Refereed]

  • Improving GQM+Strategies with Balanced Scorecard’s Perspectives: A Feasibility Study

    Jati H. Husen, Hironori Washizaki, Yoshiaki Fukazawa

       2018.10  [Refereed]

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Empirical Study on Specification Metrics to Predict Volatility and Software Defects

    Taketo Tsunoda, Hironori Washizaki, Yosiaki Fukazawa, Sakae Inoue

       2018.10  [Refereed]

    DOI

    Scopus

  • Recommendation Method for Service Selection Algorithum based on User Preference

    Ryuichi Takahashi, Yoshiaki Fukazawa

    The 2nd International Conference on Computer Science and Application Engineering    2018.10  [Refereed]

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • ID3P: Iterative Data-Driven Development of Personas to Improve Business Goals, Strategies, and Measurements

    Yasuhiro Watanabe, Hironori Washizaki, Kiyoshi Honda, Yuki Noyori, Yoshiaki Fukazawa, Aoi Morizuki, Hiroyuki Shibata, Kentaro Ogawa, Mikako Ishigaki, Sachiyo Shiizaki, Teppei Yamaguchi, Tokoaki Yagi

    JISE    2018.09  [Refereed]

  • Notification Messages Considering Human Centered Design

    Junko Shirogane, Yukari Arizono, Hajime Iwata, Yoshiaki Fukazawa

    12th Joint Conference on Knowledge-Based Software Engineering    2018.08  [Refereed]

  • Improved Searchability of Bug Reports Using Content-based Labeling with Machine Learning of Sentences

    Yuki Noyori, Hironori Washizaki, Yoshiaki Fukazawa, Hideyuki Kanuka, Keishi Ooshima, Ryosuke Tsuchiya

    12th Joint Conference on Knowledge-Based Software Engineering    2018.08  [Refereed]

  • 国際規格に基づく総合的なソフトウェア品質評価枠組みとその実製品適用による品質ベンチマーク

    鷲崎弘宜, 津田直彦, 本田澄, 中井秀矩, 深澤良彰, 東基衛, 込山俊博, 中野正, 鈴木啓紹

    SEC journal No.53   14 ( 1 ) 26 - 41  2018.08  [Refereed]

  • Special section on knowledge-based software engineering

    Shigeo Kaneda, Hajime Iwata, Fumihiro Kumeno, Kohei Sakurai, Yoshitaka Aoki, Yoshiaki Fukazawa, Naoki Fukuta, Takaaki Goto, Hiroaki Hashiura, Atsuo Hazeyama, Tadashi Iijima, Atsushi Kanai, Kosaku Kimura, Yutaka Matsuno, Saeko Matsuura, Hiroyuki Nakagawa, Taichi Nakamura, Takako Nakatani, Shinpei Ogata, Atsushi Ohnishi, Koichi Ono, Takuya Saruwatari, Junko Shirogane, Masateru Tsunoda, Shuichiro Yamamoto

    IEICE Transactions on Information and Systems   E101D ( 7 ) 1723 - 1724  2018.07

  • Machine Learning to Evaluate Evolvability Defects: Code Metrics Thresholds for a Given Context

    Naohiko Tsuda, Hironori Washizaki, Yoshiaki Fukazawa, Yuichiro Yasuda, Shunsuke Sugimura

    The 18th IEEE International Conference on Software Quality, Reliability & Security    2018.07  [Refereed]

  • Characteristics of Source Code Degrading Quality in Software Development by Multiple Organizations

    Ryo Ishizuka, Naohiko Tsuda, Hironori Washizaki, Yoshiaki Fukazawa, Shunsuke Sugimura, Yuichiro Yasuda

    3rd IEEE/ACIS International Conference on Big Data, Cloud Computing, and Data Science Engineering    2018.07  [Refereed]

  • Usability Evaluation Method of Applications for Mobile Computers Us ing Operation Histories

    Junko Shirogane, Misaki Matsuzawa, Hajime Iwata, Yoshiaki Fukazawa

    IECE TRANSACTIONS on Information and Systems   E101-D ( 7 )  2018.07  [Refereed]

  • Retrospective based on Data-Driven Persona Significance in B-to-B Software Development

    Yasuhiro Watanabe, Hironori Washizaki, Kiyoshi Honda, Yoshiaki Fukazawa, Masahiro Taga, Akira Matsuzaki, Takayoshi Suzuki, Takayoshi Suzuki

    40th International Conference on Software Engineering    2018.05  [Refereed]

  • Developer Experience Considering Work Difficulty in Software Development

    Taketo Tsunoda, Hironori Washizaki, Yosiaki Fukazawa, Sakae Inoue, Yoshiiku Hanai, Masanobu Kanazawa

    International Journal of Networked and Distributed Computing   6 ( 2 ) 53 - 62  2018.04  [Refereed]

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • Proposal on patterns for human heads modeling

    Takayuki Yokokoji, Hironori Washizaki, Yoshiaki Fukazawa

    AsianPLoP 2018    2018.03  [Refereed]

  • PVC: Visualizing C programs on web browsers for novices

    Ryosuke Ishizue, Hironori Washizaki, Kazunori Sakamoto, Yoshiaki Fukazawa

    SIGCSE 2018 - Proceedings of the 49th ACM Technical Symposium on Computer Science Education   2018-   245 - 250  2018.02  [Refereed]

     View Summary

    Many researchers have proposed program visualization tools for memory management because this is a challenging concept for novice programmers. For example, SeeC and PythonTutor (PT) are state-of-the-art tools for C languages. However, three problems hinder the use of these and other tools: capability (P1), installability (P2), and usability (P3). (P1) Tools do not fully support dynamic memory allocation or File Input / Output (I/O) and Standard Input. (P2) Novice programmers often have difficulty installing SeeC due to its dependence on Clang and setting up an offline environment that uses PT. (P3) Revisualization of the modified source code in SeeC requires several steps. To alleviate these issues, we propose a new visualization tool called PlayVisualizerC (PVC). PVC, which is designed for novice C language programmers to provide solutions (S1-3) for P1-3. S1 offers complete support for dynamic memory allocation, standard I/O, and file I/O. S2 involves installation in a user web browser and its server program is initiated by executing a jar file. S3 reduces the steps required for revisualization. To evaluate PVC, we conducted an experiment and questionnaire involving 30 students. Students using PVC solved a set of four programming tasks on average 1.7 times faster and with 19% more correct answers than those using a current state-of-the-art visualization tool.

    DOI

    Scopus

    10
    Citation
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  • Quantitative learning effect evaluation of programming learning tools

    Daisuke Saito, Ayana Sasaki, Hironori Washizaki, Yoshiaki Fukazawa, Yusuke Muto

    Proceedings of 2017 IEEE International Conference on Teaching, Assessment and Learning for Engineering, TALE 2017   2018-   209 - 216  2018.01  [Refereed]

     View Summary

    Children can learn programming using different tools. Understanding how the characteristics and features of each tool impact the learning effect will enhance learning. However, the impact of specific tools on the learning effect is unclear. In this study, we conducted a workshop to evaluate the characteristics and features of six tools on the learning effect. Our study reveals that the learning effect clearly differs between the six tools.

    DOI

    Scopus

    6
    Citation
    (Scopus)
  • Utilization of ICTs in quality assurance and accreditation of higher education: Systematic literature review

    Ali Sajjad Haris, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of 2017 IEEE International Conference on Teaching, Assessment and Learning for Engineering, TALE 2017   2018-   354 - 359  2018.01  [Refereed]

     View Summary

    Numerous studies and surveys have examined the utilization of Information and Communication Technologies (ICTs) in Higher Education (HE). However, the absence of studies that specifically investigate the utilization of ICTs in Quality Assurance and Accreditation (QAA) of HE led us to perform a Systematic Literature Review (SLR). This review mainly benefits QAA agencies and researchers interested in utilizing ICTs for QAA of HE. Several facts regarding ICTs contribute to QAA of HE are identified. 1) Compared to QAA agencies, Higher Education Institutions (HEIs) are more likely to implement ICTs. 2) Most of the ICTs in HEIs are for Quality Assurance (QA) and not Accreditation. 3) Most previous studies were conducted in Europe. These studies demonstrate that efforts have been made to align the QAA agencies and HEI QAA units with European Standards, resulting in ICTs utilization into European HEIs.

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • Systematic Review of Utilized ICTs in Quality Assurance and Accreditation of Higher Education and a Case Study of Developing Country

    Ali Sajjad Haris, Hironori Washizaki, Yoshiaki Fukazawa

    EAI Endorsed Transactions on e-Learning, Special Issue on Information systems enabling digitalized advances in society    2018  [Refereed]

    DOI

  • Personality and Learning Effectiveness of Teams in Information Systems Education Courses

    Masashi Shuto, Hironori Washizaki, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Bastian Tenbergen

    EAI Endorsed Transactions on e-Learning, Special Issue on Information systems enabling digitalized advances in society    2018  [Refereed]

    DOI

  • 小学生を対象としたプログラミング教育のためのルーブリックの提案

    齋藤大輔, 佐々木綾菜, 鷲崎弘宜, 深澤良彰, 武藤優介

    日本STEM学会論文誌 STEM教育研究   1   1 - 10  2018  [Refereed]

  • A Pattern Language for Knowledge Handover When People Transition

    Kei Ito, Joseph, W. Yoder, Hironori Washizaki, Yoshiaki Fukazawa

    LNCS Transactions on Pattern Languages of Programming   4   1 - 32  2018  [Refereed]

  • Student Placement and Skill Ranking Predictors for Programming Classes Using Class Attitude, Psychological Scales, and Code Metrics

    Ryosuke Ishizue, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    Research and Practice in Technology Enhanced Learning, Springer     1 - 20  2018  [Refereed]

  • Automatic Generation of an Operation Procedure Presentation System Reusing User’s Inputted Data

    Shimon Nakamura, Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa

    International Conference on Human Computer Interaction Theory and Applications    2018.01  [Refereed]

    DOI

    Scopus

  • Discovery of Latent Requirements by Using Web Service Composition Techniques

    Ryuichi Takahashi, Yasuo Tsurugai, Yoshiaki Fukazawa

    Hong Kong International Conference on Engineering and Applied Sciences    2018.01  [Refereed]

  • Metrics Visualization Techniques Based on Historical Origins and Functional Layers for Developments by Multiple Organizations

    Ryosuke Ishizue, Hironori Washizaki, Yoshiaki Fukazawa, Sakae Inoue, Yoshiiku Hanai, Masanobu Kanazawa, Katsushi Namba

    International Journal of Software Engineering and Knowledge Engineering   28 ( 1 ) 123 - 147  2018.01

     View Summary

    Software developments involving multiple organizations such as Open Source Software (OSS)-based projects tend to have numerous defects when one organization develops and another organization edits the program source code files. Developments with complex file creation, modification history (origin), and software architecture (functional layer) are increasing in OSS-based development. As an example, we focus on an Android smart phone and a VirtualBox development project, and propose new visualization techniques for product metrics based on file origin and functional layers. One is the Metrics Area Figure, which can express duplication of edits by multiple organizations intuitively using overlapping figures. The other is Origin City, which was inspired by Code City. It can represent the scale and other measurements, while simultaneously stacking functional layers as 3D buildings. The contributions of our paper are to propose new techniques, implement them as web applications, and share the results of our questionnaire. Our proposed techniques are useful not only to visualize the measured metrics, but also to improve the product quality.

    DOI

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    3
    Citation
    (Scopus)
  • Web Application to Manage and Improve Software Development Projects by SEMAT Essence

    Yuichiro Senzaki, Siyuan Liu, Hironori Washizaki, Yoshiaki Fukazawa, Hiroshi Kobayashi, Masaharu Adachi

    5th International Workshop on Quantitative Approaches to Software Quality    2017.12  [Refereed]

  • A Student Placement Predictor for Programming Class Using Class Attitude, Psychological Scale, and Code Metrics

    Ryosuke Ishizue, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    25th International Conference on Computers in Education    2017.12  [Refereed]

  • 情報システム開発のチームによるプロジェクトベース学習における個人特性の組み合わせと学習効果

    鷲崎弘宜, 須永祐輔, 筧捷彦, 深澤良彰, 山戸昭三, 大久保雅司

    工学教育, Vol.65, No.6, 2017.   65 ( 6 )  2017.11  [Invited]

  • Program Learning for Beginners: Survey and Taxonomy of Programming Learning Tools

    Daisuke Saito, Ayana Sasaki, Hironori Washizaki, Yoshiaki Fukazawa, Yusuke Muto

    IEEE 9th International Conference on Engineering Education    2017.11  [Refereed]

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • 新しい時代の図書館のあり方-情報技術による支援を中心として

    深澤良彰

    情報処理学会論文誌   3 ( 3 ) 1 - 7  2017.10

  • Combinations of Personal Characteristic Types and Learning Effectiveness of Teams

    Hironori Washizaki, Yusuke Sunaga, Masashi Shuto, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Bastian Tenbergen

    Proceedings - International Computer Software and Applications Conference   1   456 - 457  2017.09

     View Summary

    In software and IT systems engineering, personal characteristics are expected to impact performance and attitude. To clarify the optimal composition in a team of students in academic education, we researched the relationship between student personality characteristics and learning effectiveness of teams using the Five Factor and Stress theory (FFS). The results taken from a Project-based Learning (PBL) course at Waseda University showed that educational effectiveness is highest when a team consists of management and anchor types without leadership types. In addition to FFS, we are currently adopting the Five Factor Model (FFM), which is a well-accepted personal characteristic model, to dig deeper the relationship in different courses on IT systems and software development conducted at various universities. Preliminary results show that although individual characteristics are not strongly correlated to learning effectiveness, there are a few strong team correlations. As our future work, we plan to acquire more data and investigate relationship between FFS measurements and FFM ones in terms of learning effectiveness.

    DOI

    Scopus

    2
    Citation
    (Scopus)
  • A Method for Converting Colors for Color-impaired People, Considering Saturation and Contrast Ratio

    Junko Shirogane, Yuko Iwase, Hajime Iwata

    5th Conference on Multimedia    2017.09  [Refereed]

    DOI

  • Evaluating the work of experienced and inexperienced developers considering work difficulty in sotware development

    Taketo Tsunoda, Hironori Washizaki, Yosiaki Fukazawa, Sakae Inoue, Yoshiiku Hanai, Masanobu Kanazawa

    Proceedings - 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing, SNPD 2017     161 - 166  2017.08  [Refereed]

     View Summary

    Previous studies have researched how developer experience affects code quality, but they ignore work difficulty, although experienced developers are more likely to work on the more complex parts of a project. To examine work difficulty, we focus on revised files. Using product metrics, we evaluate file complexity in each type of file origin. Specifically, we analyze three large commercial projects (each project has about 250,000 LOC) executed by the same organization to analyze the relationship between previous project experience and developer's work. Although experienced developers do not always work on more complicated files, they introduce fewer defects, especially if the difference in work difficulty is not significant.

    DOI

    Scopus

    6
    Citation
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  • Relationship between the five factor model personality and learning effectiveness of teams in three information systems education courses

    Masashi Shuto, Hironori Washizaki, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Bastian Tenbergen

    Proceedings - 18th IEEE/ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing, SNPD 2017     167 - 174  2017.08

     View Summary

    Although working in teams is an effective method for students to learn skills necessary for information systems, the optimal combination of team members to maximize the learning effectiveness has yet to be clarified. This study investigates the relationship between the combination of students' personality characteristics and learning effectiveness in three information system lecture courses. Two Five Factor Model (FFM) questionnaires were used to determine each student's personality characteristic. For each course, which has different styles, several different relationships are found. This study should assist educators in maximizing students' learning effectiveness in information systems courses involving teamwork.

    DOI

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    6
    Citation
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  • B-to-Bクラウドアプリケーションにおける反復的なデータ駆動型ペルソナ構築の事例研究

    渡邊泰宏, 鷲崎弘宜, 本田澄, 深澤良彰, 多賀正博, 松崎明, 鈴木隆喜

    ソフトウェアエンジニアリングシンポジウム SES2017, ポスター論文, 東京, 2017年8月30日-9月1日    2017.08  [Refereed]

  • Generalized Software Reliability Model Considering Uncertainty and Dynamics: Model and Applications

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    INTERNATIONAL JOURNAL OF SOFTWARE ENGINEERING AND KNOWLEDGE ENGINEERING   27 ( 6 ) 967 - 993  2017.08  [Refereed]

     View Summary

    Today's development environment has changed drastically; the development periods are shorter than ever and the number of team members has increased. Consequently, controlling the activities and predicting when a development will end are difficult tasks. To adapt to changes, we propose a generalized software reliability model (GSRM) based on a stochastic process to simulate developments, which include uncertainties and dynamics such as unpredictable changes in the requirements and the number of team members. We assess two actual datasets using our formulated equations, which are related to three types of development uncertainties by employing simple approximations in GSRM. The results show that developments can be evaluated quantitatively. Additionally, a comparison of GSRM with existing software reliability models confirms that the approximation by GSRM is more precise than those by existing models.

    DOI

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    10
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  • An Empirical Study on Relationship Between Requirement Traceability Links and Bugs

    Rizki Amelia, Hironori Washizaki, Yoshiaki Fukazawa, Keishi Oshima, Ryota Mibe, Ryosuke Tsuchiya

    Journal of Software   12 ( 5 ) 315 - 325  2017.05  [Refereed]

    DOI

  • Learning environment model at runtime for self-adaptive systems

    Moeka Tanabe, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    Proceedings of the ACM Symposium on Applied Computing   128005   1198 - 1204  2017.04

     View Summary

    Self-adaptive systems alter their behavior in response to environmental changes to continually satisfy their requirements. Self-adaptive systems employ an environment model, which should be updated during runtime to maintain consistency with the real environment. Although some techniques have been proposed to learn environment model based on execution traces at the design time, these techniques are time consuming and consequently inappropriate for runtime learning. Herein, a technique using a stochastic gradient descent and the difference in the data acquired during the run-time is proposed as an efficient learning environment model. The computational time and accuracy of our technique are verified through a case study.

    DOI

    Scopus

    8
    Citation
    (Scopus)
  • More Handover Solution Patterns

    Kei Ito, Hironori Washizaki, Joseph Yoder, Yoshiaki Fukazawa

    6th Asian Conference on Pattern Languages of Programs (AsianPLoP 2017), Waseda University, Tokyo, Japan, March 12-13, 2017.    2017.03  [Refereed]

  • Empirical Study of OSS Regarding the Relationships between Bug Fixing Time and Metrics

    Masaki Hosono, Hironori Washizaki, Yoshiaki Fukazawa, Kiyoshi Honda, Kazuki Munakata, Sumie Morita, Yusuke Nemoto

    8th IEEE International Workshop on Empirical Software Engineering in Practice (IWESEP 2017), Fast Abstract, March 13, 2017, Tokyo.    2017.03  [Refereed]

  • Customization Patterns for GQM Metrics-Layer: Optimization by Checklist Based Maintainability Review and Machine Learning

    Naohiko Tsuda, Hironori Washizaki, Yoshiaki Fukazawa, Shunsuke Sugimura, Yuichiro Yasuda, Masanao Futakami

    8th IEEE International Workshop on Empirical Software Engineering in Practice (IWESEP 2017), Fast Abstract, March 13, 2017, Tokyo.    2017.03  [Refereed]

  • An Interactive Web Application Visualizing Memory Space For Novice C Programmers

    Ryosuke Ishizue, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    48th ACM Technical Symposium on Computer Science Education (SIGCSE 2017), poster, March 8 – 11, 2017, Seattle, Washington, USA    2017.03  [Refereed]

  • Analysis of the learning effects between text-based and visual-based beginner programming environments

    Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    2016 IEEE 8th International Conference on Engineering Education: Enhancing Engineering Education Through Academia-Industry Collaboration, ICEED 2016     208 - 213  2017.02

     View Summary

    Although different programming environments have been developed to teach programming to beginners, the programming environment most suitable for introductory education is unknown in terms of the programming method such as text or visual. This study applies programming learning using a digital game, Minecraft, to compare the learning effect of textbased and visual-based programming in the LUA programming environment provided by a Minecraft extension. Both methods have certain learning effects, but visual-based programming has more significance than text-based programming on the attitude toward programming, indicating that visual-based programming is superior to text-based programming in introductory education.

    DOI

    Scopus

    4
    Citation
    (Scopus)
  • A SQuaRE-based software quality evaluation framework and its case study

    Hidenori Nakai, Naohiko Tsuda, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    IEEE Region 10 Annual International Conference, Proceedings/TENCON     3704 - 3707  2017.02

     View Summary

    Software stakeholders, including developers, managers, and end users, require high quality software products. Several works have aimed to identify software quality, but the quality of software products is often not comprehensively, specifically, or effectively defined because previous approaches have focused on certain quality aspects. Moreover, the evaluation results of quality metrics often depend on software stakeholders so that it is often hard to compare quality evaluation results across software products. ISO/IEC has tried to define evaluation methods for the quality of software products and provide common standards, called the SQuaRE (Systems and software Quality Requirements and Evaluation) series including ISO/IEC 25022:2016 and ISO/IEC 25023:2016. However, the SQuaRE series include ambiguous metrics so that it is not always easy to apply the series to products and compare results. In this paper, we propose a SQuaRE-based software quality evaluation framework, which successfully concretized many product metrics and quality in use metrics originally defined in the SQuaRE series1. Through a case study targeting a commercial software product, we confirmed that our framework is concretely applicable to the software package/service product.

    DOI

    Scopus

    13
    Citation
    (Scopus)
  • Comparison of Text-Based and Visual-Based Programming Input Methods for First-Time Learners

    Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    Journal of Information Technology Education: Research    2017  [Refereed]

    DOI

    Scopus

    13
    Citation
    (Scopus)
  • Rubric for Programming Education in Elementary School

    Sasaki Ayana, Washizaki Hironori, Saito Daisuke, Fukazawa Yoshiaki, Muto Yusuke, Nishizawa Toshiharu

    Proceedings of the Annual Conference of the Japanese Society of Digital Textbook   6 ( 0 ) 33 - 34  2017

    DOI CiNii

  • Promotion of Educational Effectiveness by Translation-based Programming Language Learning Using Java and Swift

    Juhua Li, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    50th Annual Hawaii International Conference on System Sciences    2017.01  [Refereed]

    DOI

  • Identifying Potential Problems and Risks in GQM+Strategies Models Using Metamodel and Design Principles

    Chimaki Shimura, Hironori Washizaki, Takanobu Kobori, Yohei Aoki, Kiyoshi Honda, Yoshiaki Fukazawa, Katsutoshi Shintani, Takuto Nonomura

    50th Annual Hawaii International Conference on System Sciences    2017.01  [Refereed]

    DOI

  • Relation Between Combinations of Personal Characteristic Types Educational Effectiveness for a Controlled Project-Based Learning Course

    Yusuke Sunaga, Hironori Washizaki, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo

    IEEE TRANSACTIONS ON EMERGING TOPICS IN COMPUTING   5 ( 1 ) 69 - 76  2017.01  [Refereed]

     View Summary

    To improve practical IT education, many Japanese universities are implementing project-based learning (PBL). Although a previous study examined the relationship between educational effectiveness and the scatter of personal characteristics, the relationship between educational effectiveness and the combination of personal characteristics in a team, which is important to optimize the team composition for PBL, has yet to be examined. Herein, we use the five factor and stress theory to measure personal characteristics and classify students enrolled in a PBL class at Waseda University into four types-leadership, management, tugboat, and anchor. Then, knowledge and skills questionnaires are used to measure educational effectiveness. The results show that educational effectiveness is highest when a team consists of management and anchor types without leadership types. The results are preliminary, because the practical usefulness of our results is limited as the experiment of the paper targeted only one PBL course of one university. For that reason, we need to collect data from other PBL course at the same or other university.

    DOI

    Scopus

    13
    Citation
    (Scopus)
  • Impact of Using a Static-type System in Computer Programming

    Ismail Rizky Harlin, Hironori Washizaki, Yoshiaki Fukazawa

    2017 IEEE 18TH INTERNATIONAL SYMPOSIUM ON HIGH ASSURANCE SYSTEMS ENGINEERING (HASE 2017)     116 - 119  2017  [Refereed]

     View Summary

    Static-type systems are a major topic in programming language research and the software industry because they should reduce the development time and increase the code quality. Additionally, they are predicted to decrease the number of defects in a code due to early error detection. However, only a few empirical experiments exist on the potential benefits of static-type systems in programming activities. This paper describes an experiment that tests whether static-type systems help developers create solutions for certain programming tasks. The results indicate that although the existence of a static-type system has no positive impact when subjects code a program from scratch, it does allow more errors in program debugging to be fixed.

    DOI

    Scopus

  • Closing the Gap between Unit Test Code and Documentation

    Karsten Stoecker, Hironori Washizaki, Yoshiaki Fukazawa

    10TH IEEE INTERNATIONAL CONFERENCE ON SOFTWARE TESTING, VERIFICATION AND VALIDATION WORKSHOPS - ICSTW 2017     304 - 308  2017  [Refereed]

     View Summary

    Test Driven Development as well as the documentation of tests and their architecture are today an important pillar of software quality assurance. The change of requirements during the implementation phase entails a need to change tests as well as the test documentation of the software. Since unit tests are specified in the implementation language, an interdisciplinary readable documentation must be maintained, which is structurally easier to comprehend and also make the test transparent for persons who are not involved into code writing. This leads to additional effort, costs and possibly inconsistencies between the test and its documentation. This gap in the workflow could be closed by Tanni - a domain specific language, which allows the specification of test cases in the form of interdisciplinary readable tables without requiring programming skills. Based on them executable test code for the respective unit test framework is generated. This merges specification and documentation of unit test cases to one step of work. By this the mentioned additional effort, costs and imminent inconsistencies can be reduced. The Language Workbench Meta Programming System from JetBrains serves as a technological base and is enabler for further positive effects which possibly could be gained by using the described language.

    DOI

    Scopus

    3
    Citation
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  • Defect Analysis and Prediction by Applying the Multistage Software Reliability Growth Model

    Jieming Chi, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Kazuki Munakata, Sumie Morita, Tadahiro Uehara, Rieko Yamamoto

    2017 8TH IEEE INTERNATIONAL WORKSHOP ON EMPIRICAL SOFTWARE ENGINEERING IN PRACTICE (IWESEP)     7 - 11  2017  [Refereed]

     View Summary

    In software development, defects are inevitable. To improve reliability, software reliability growth models are useful to analyze projects. Selecting an expedient model can also help with defect predictions, but the model must be well fitted to all the original data. A particular software reliability growth model may not fit all the data well. To overcome this issue, herein we use multistage modeling to fit defect data. In the multistage model, an evaluation is used to divide the data into several parts. Each part is fitted with its own growth model, and the separate models are recombined. As a case study, projects provided by a Japanese enterprise are analyzed by both traditional software reliability growth models and the multistage model. The multistage model has a better performance for data with a poor fit using a traditional software reliability growth model.

    DOI

    Scopus

    11
    Citation
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  • ID3P: Iterative Data-Driven Development of Persona based on Quantitative Evaluation and Revision

    Yasuhiro Watanabe, Hironori Washizaki, Kiyoshi Honda, Yuki Noyori, Yoshiaki Fukazawa, Aoi Morizuki, Hiroyuki Shibata, Kentaro Ogawa, Mikako Ishigaki, Satiyo Shiizaki, Teppei Yamaguchi, Tomoaki Yagi

    2017 IEEE/ACM 10TH INTERNATIONAL WORKSHOP ON COOPERATIVE AND HUMAN ASPECTS OF SOFTWARE ENGINEERING (CHASE 2017)     49 - 55  2017  [Refereed]

     View Summary

    Personas are fictional characters used to understand users' requirements. Many researchers have proposed persona development methods from quantitative data (data-driven personas development). However, it is not assumed that personas in these works are used continuously and these personas cannot reflect on unpredictable changes in users. It is difficult to plan reliable strategies in a web service because users' preference dynamically changes. To develop more suitable personas for decision-making in a web service, this paper proposes Iterative Data-Driven Development of Personas (ID3P). In particular, to detect an unpredictable change in users' characteristics, our proposal includes an iterative process where the personas are quantitatively evaluated and revised in each iteration. Moreover, it provides a quantitative evaluation of business strategies based on GQM+Strategies and personas. To verify our proposal, we applied it to Yahoo!JAPAN's web service called Netallica.

    DOI

    Scopus

    17
    Citation
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  • Empirical Study on Recognition of Project Situations by Monitoring Application Results of Software Reliability Growth Model

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Masahiro Taga, Akira Matsuzaki, Takayoshi Suzuki

    2017 IEEE 28TH INTERNATIONAL SYMPOSIUM ON SOFTWARE RELIABILITY ENGINEERING WORKSHOPS (ISSREW 2017)     169 - 174  2017  [Refereed]

     View Summary

    Monitoring the results of software reliability growth models (SRGMs) helps evaluate project's situations. SRGMs are used to measure the reliability of software by analyzing the relations between the number of detected bugs and the detected time to predict the number of remaining bugs within the software. For example, development managers apply a SRGM to the number of detected bugs and the detected time to predict the number of remaining bugs. Sometimes the SRGM results cause managers to make incorrect decisions because the results are temporary snapshots that change as a development progresses. We propose a method to help evaluate a project's qualities by monitoring the results of SRGM applications. We collected the number of detected bugs and the detected time in the test phases for cloud services provided by e-Seikatsu Co., Ltd. to real estate businesses. The datasets contain about 34 cloud service features. The evaluation found that our method provides correct answers for 29 features and incorrect answers for 5 features.

    DOI

    Scopus

    2
    Citation
    (Scopus)
  • Evaluating Software Product Quality based on SQuaRE Series

    Hidenori Nakai, Naohiko Tsuda, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    IEEE TENCON 2016    2016.11  [Refereed]

  • A Pattern Language for Handovers

    Kei Ito, Hironori Washizaki, Joseph W. Yoder, Yoshiaki Fukazawa

    23rd Conference on Pattern Languages of Programs    2016.10  [Refereed]

  • Generating Specification for Automated Warehouse System by Hieratical Discrete Controller Synthesis

    Masaki Katae, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    合同エージェントワークショップ&シンポジウム2016 (JAWS2016)     1 - 8  2016.09  [Refereed]

  • Exhaustive and Efficient Identification of Rationales Using GQM plus Strategies with Stakeholder Relationship Analysis

    Takanobu Kobori, Hironori Washizaki, Yoshiaki Fukazawa, Daisuke Hirabayashi, Katsutoshi Shintani, Yasuko Okazaki, Yasuhiro Kikushima

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E99D ( 9 ) 2219 - 2228  2016.09  [Refereed]

     View Summary

    To achieve overall business goals, GQM+Strategies is one approach that aligns business goals at each level of an organization to strategies and assesses the achievement of goals. Strategies are based on rationales ( contexts and assumptions). Because extracting all rationales is an important process in the GQM+Strategies approach, we propose the Context-Assumption-Matrix ( CAM), which refines the GQM+Strategies model by extracting rationales based on analyzing the relationships between stakeholders, and the process of using GQM+Strategies with CAM effectively. To demonstrate the effectiveness of the CAM and the defined process, we conducted three experiments involving students majoring in information sciences at two different Japanese universities. Moreover, we applied the GQM+Strategies approach with CAM to the Recruit Sumai Company in Japan. The results reveal that compared to GQM+Strategies alone, GQM+Strategies with CAM can extract rationales of the same quality more efficiently and exhaustively.

    DOI CiNii

    Scopus

    4
    Citation
    (Scopus)
  • Influence of the programming environment on programming education

    Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    Annual Conference on Innovation and Technology in Computer Science Education, ITiCSE   11-13-   354  2016.07

     View Summary

    Although both visual and text environments have been used to teach programming, the most appropriate method for beginners is unknown. Herein we research the most suitable programming environment to introduce programming to beginners using Minecraft to provide different programming learning environments (Visual or Text) via ComputerCraftEdu as an extended function. The learning effects between these two environments are compared using a lecture course. The results show that a visual environment is more suitable to introduce programming to beginners.

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • Implementation support of security design patterns using test templates

    Masatoshi Yoshizawa, Hironori Washizaki, Yoshiaki Fukazawa, Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka

    Information (Switzerland)   7 ( 2 )  2016.06

     View Summary

    Security patterns are intended to support software developers as the patterns encapsulate security expert knowledge. However, these patterns may be inappropriately applied because most developers are not security experts, leading to threats and vulnerabilities. Here we propose a support method for security design patterns in the implementation phase of software development. Our method creates a test template from a security design pattern, consisting of an "aspect test template" to observe the internal processing and a "test case template". Providing design information creates a test from the test template with a tool. Because our test template is reusable, it can easily perform a test to validate a security design pattern. In an experiment involving four students majoring in information sciences, we confirm that our method can realize an effective test, verify pattern applications, and support pattern implementation.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • Identifying misalignment of goal and strategies across organizational units by interpretive structural modeling

    Yohei Aoki, Takanobu Kobori, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of the Annual Hawaii International Conference on System Sciences   2016-   4576 - 4585  2016.03

     View Summary

    To achieve the business objectives of an organization, the business goals and strategies must align. GQM+Strategies® is a method that aligns goals and strategies. By repeatedly defining lower-level goals and strategies, GQM+Strategies creates grids, which are specified from the initial set of goals and strategies, to link goals and strategies across different level units. Although the above approach can maintain consistency within a vertical refinement tree, horizontal relations at different branches may be missed. Herein we propose the Horizontal Relation Identification Method (HoRIM) to identify horizontal relations. HoRIM is an approach that detects the difference between the initial GQM+Strategies grid and a model obtained by applying Interpretive Structural Modeling (ISM) to the grid. ISM provides a hierarchical structure from the relation matrix that presents the relations between elements. An experiment confirms that HoRIM identifies about 1.5 times more horizontal relations than an ad hoc review. Additionally, an industrial application demonstrates the practical value of HoRIM.

    DOI

    Scopus

    10
    Citation
    (Scopus)
  • Relaxing Requirements with Environment Changes for Graceful Degradation

    Kazuya Aizawa, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    5th Asian Workshop of Advanced Software Engineering    2016.03  [Refereed]

  • Software Reliability Growth Model Considering Uncertainty and Dynamics in Development

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    23rd IEEE International Conference on Software Analysis, Evolution, and Reengineering    2016.03  [Refereed]

  • Case Study: Software Reliability Growth Model Based on Person Hours

    Kiyoshi Honda, Nobuhiro Nakamura, Hironori Washizaki, Yoshiaki Fukazawa

    7th IEEE International Workshop on Empirical Software Engineering in Practice    2016.03  [Refereed]

  • Handover Anti-patterns

    Kei Ito, Hironori Washizaki, Yoshiaki Fukazawa

    5th Asian Conference on Pattern Languages of Programs    2016.02  [Refereed]

  • 欠陥とソースコードの変更回数の関係分析

    本田 澄, 坂口 英司, 伊原 彰紀, 鷲崎 弘宜, 深澤 良彰

    情報処理学会/ソフトウェア工学研究会ウィンターワークショップ2016・イン・逗子    2016  [Refereed]

  • Investigating the Relationship between Project Constraints and Appropriate Iteration Length in Agile Development Through Simulations

    Ryushi Shiohama, Hironori Washizaki, Shin Kuboaki, Kazunori Sakamoto, Yoshiaki Fukazawa

    International Journal of Computer Applications in Technology   54 ( 4 ) 311 - 322  2016  [Refereed]

     View Summary

    Agile development is aimed at minimising overall risk and encouraging rapid and flexible response to specification changes by using an iterative process. Despite its iterative feature, studies on the effects of iteration length have been lacking. Currently, there is no established method to quantitatively determine the appropriate iteration length, and abortion of projects with an inappropriate iteration length has been reported. We therefore create a model of agile development that focuses on iteration length, and propose a method of simulating a particular project to estimate the appropriate iteration length. Furthermore, we simulate diverse situations using various parameters to understand the relationship between the iteration length and project constraints. Our results show that the appropriate iteration length depends on the condition of the project constraints
    the larger the amount of uncertainty, the shorter the appropriate iteration length, while the higher the complexity of the project, the longer the iteration length should be.

    DOI

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    3
    Citation
    (Scopus)
  • Which Combinations of Personal Characteristic Types Are More Effective in Different Project-Based Learning Courses?

    Yusuke Sunaga, Masashi Shuto, Hironori Washizaki, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo

    2016 IEEE 29TH CONFERENCE ON SOFTWARE ENGINEERING EDUCATION AND TRAINING (CSEE&T)     137 - 141  2016  [Refereed]

     View Summary

    To improve practical IT education, many universities are implementing project-based learning (PBL). Although researchers have examined the relationship between projects and personality, they have not investigated the type of projects and team construction based on personality. We consider not to construct optimal team for the view of educational effectiveness if we do not understand the difference of each course characteristic. Herein the Five Factor & Stress theory is used to measure personal characteristics and classify students enrolled in two different PBL courses at a university into four types - leadership, management, tugboat, and anchor. Then knowledge and skills questionnaires are used to measure educational effectiveness. The results show that educational effectiveness is highest when a team consists of management and anchor types but not leadership types in the PBL course which teaches system development, and a team without management types is consisted in the PBL course which teaches IT management strategy.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • GO-MUC: A Strategy Design Method Considering Requirements of User and Business by Goal-Oriented Measurement

    Chihiro Uchida, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Kentaro Ogawa, Tomoaki Yagi, Mikako Ishigaki, Masashi Nakagawa

    9TH IEEE/ACM INTERNATIONAL WORKSHOP ON COOPERATIVE AND HUMAN ASPECTS OF SOFTWARE ENGINEERING (CHASE 2016)     93 - 96  2016  [Refereed]

     View Summary

    When developers operate a service, both the business objectives and users' requirements must be satisfied. However, the interest between a business strategy and an action for the users is often unclear. Moreover, users' requirements that are inferred from user data analysis may not correspond with users' real requirements. In this paper, we propose the GO-MUC method (Goal-oriented Measurement for Usability and Conflict) and apply it to Yahoo! Crowdsourcing. The GO-MUC method can develop a strategy considering requirements of both the user and the business. Our results validate this method; this method can find an interest between the business side and users side and plan more effective and user-friendly strategies to resolve a conflicting interest.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • Learning Effectiveness of Team Discussions in Various Software Engineering Education Courses

    Masashi Shuto, Hironori Washizaki, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo

    2016 IEEE 29TH CONFERENCE ON SOFTWARE ENGINEERING EDUCATION AND TRAINING (CSEE&T)     227 - 231  2016  [Refereed]

     View Summary

    Students working in teams to complete software tasks is an effective method to learn necessary skills. Previously we examined the educational effectiveness as a function of personal characteristics, but the findings were inconclusive. Because we hypothesize that team discussions impact learning and are related to educational effectiveness, this study investigates the influence of team discussions on learning effectiveness in various types of software engineering education courses. Students' responses to questionnaires about how much students contribute to discussions indicate that learning effectiveness and the number of remarks during a discussion are related. Additionally, upon comparing two learning courses (a system development course and a IT management course), two antithetical results are elucidated. We expect that this research will help improve the effectiveness of educators leading student team discussions.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • Pairwise Coverage-based Testing with Selected Elements in a Query for Database Applications

    Koji Tsumura, Hironori Washizaki, Yoshiaki Fukazawa, Keishi Oshima, Ryota Mibe

    2016 IEEE NINTH INTERNATIONAL CONFERENCE ON SOFTWARE TESTING, VERIFICATION AND VALIDATION WORKSHOPS (ICSTW)     92 - 101  2016  [Refereed]

     View Summary

    Because program behaviors of database applications depend on the data used, code coverages do not effectively test database applications. Additionally, test coverages for database applications that focus on predicates in Structured Query Language (SQL) queries are not useful if the necessary predicates are omitted. In this paper, we present two new database applications using Plain Pairwise Coverage (PPC) and Selected Pairwise Coverage (SPC) for SQL queries called Plain Pairwise Coverage Testing (PPCT) and Selected Pairwise Coverage Testing (SPCT), respectively. These coverages are based on pairwise testing coverage, which employs selected elements in the SQL SELECT query as parameters. We also implement a coverage calculation tool and conduct case studies on two open source software systems. PPCT and SPCT can detect many faults, which are not detected by existing test methods based on predicates in the query. Furthermore, the case study suggests that SPCT can detect faults more efficiently than PPCT and the costs of SPCT can be further reduced by ignoring records filtered out by the conditions of the query.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • A Metamodel for Security and Privacy Knowledge in Cloud Services

    Hironori Washizaki, Sota Fukumoto, Misato Yamamoto, Takehisa Kato, Shinpei Ogata, Haruhiko Kaiya, Eduardo B. Fernandez, Hideyuki Kanuka, Yuki Kondo, Nobukazu Yoshioka, Takao Okubo, Atsuo Hazeyama, Masatoshi Yoshizawa, Yoshiaki Fukazawa

    Proceedings 2016 IEEE World Congress on Services - SERVICES 2016     142 - 143  2016  [Refereed]

     View Summary

    We propose a metamodel for handling security and privacy in cloud service development and operation. The metamodel is expected to be utilized for building a knowledge base to accumulate, classify and reuse existing cloud security and privacy patterns and practices in a consistent and uniform way. Moreover the metamodel and knowledge base are expected to be utilized for designing and maintaining architectures for cloud service systems incorporating security and privacy.

    DOI

    Scopus

    9
    Citation
    (Scopus)
  • Initial Framework for Software Quality Evaluation based on ISO/IEC 25022 and ISO/IEC 25023

    Hidenori Nakai, Naohiko Tsuda, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    2016 IEEE INTERNATIONAL CONFERENCE ON SOFTWARE QUALITY, RELIABILITY AND SECURITY COMPANION (QRS-C 2016)     410 - 411  2016  [Refereed]

     View Summary

    Quality measured and evaluated based on organization-specific quality models cannot be compared to the quality of other software products. To alleviate this problem, ISO/IEC defined international standards called the SQuaRE (Systems and software Quality Requirements and Evaluation) series for comprehensive quality measurement and evaluation; however, these standards include ambiguous measurements, making them difficult to apply. Herein an initial comprehensive quality measurement framework, which includes a clear measurement plan based on ISO/IEC 25022 and 25023, is proposed. A case study confirms the usefulness of the framework. As future work, we will introduce the framework to various domains. And then, we revise and refine measurements and evaluation plans to improve feasibility and usefulness.

    DOI

    Scopus

    12
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  • An Industrial Case Study of Project Management Using Cross Project Software Reliability Growth Model

    Kiyoshi Honda, Nobuhiro Nakamura, Hironori Washizaki, Yoshiaki Fukazawa

    2016 IEEE INTERNATIONAL CONFERENCE ON SOFTWARE QUALITY, RELIABILITY AND SECURITY COMPANION (QRS-C 2016)     404 - 405  2016  [Refereed]

     View Summary

    We propose a method to compare software products developed by the same company in the same domain. Our method, which measures the time series of the number of detected faults, employs software reliability growth models (SRGMs). SRGMs describe the relations between faults and the time necessary to detect them. Herein we propose a method to compare SRGMs across products. To provide managers and developers insight on advances of its products, our method is applied to the datasets for nine projects developed by Sumitomo Electric Industries, Ltd.

    DOI

    Scopus

    2
    Citation
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  • Case Study: Project Management Using Cross Project Software Reliability Growth Model

    Kiyoshi Honda, Nobuhiro Nakamura, Hironori Washizaki, Yoshiaki Fukazawa

    2016 IEEE INTERNATIONAL CONFERENCE ON SOFTWARE QUALITY, RELIABILITY AND SECURITY COMPANION (QRS-C 2016)     39 - 46  2016  [Refereed]

     View Summary

    We propose a method to compare software products developed by the same company in the same domain. Our method, which measures the time series of the number of detected faults, employs software reliability growth models (SRGMs). SRGMs describe the relations between faults and the time necessary to detect them. Although several researchers have studied cross project defect predictions to determine defect locations using the features of previous software product's code such as lines of codes and complexities, past works on SRGMs did not compare products or develop comparison methods. Herein we propose a method to compare SRGMs across products. To provide managers and developers insight on advances of its products, our method is applied to the datasets for nine projects developed by Sumitomo Electric Industries, Ltd. SRGMs based on person hours are between 13% and 97% more precise than those based on calendar time.

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • Metrics visualization technique based on the origins and function layers for OSS-based development

    Ryosuke Ishizue, Hironori Washizaki, Yoshiaki Fukazawa, Sakae Inoue, Yoshiiku Hanai, Masanobu Kanazawa, Katsushi Namba

    2016 IEEE WORKING CONFERENCE ON SOFTWARE VISUALIZATION     71 - 75  2016  [Refereed]

     View Summary

    Software developments involving multiple organizations such as OSS (Open Source Software)-based projects tend to have numerous defects when one organization develops and another organization edits the program source code files. Developments with complex file creation, modification history (origin), and software architecture (functional layer) are increasing in OSS-based development. As an example, here we focus on an Android smart phone development project and propose new visualization techniques for product metrics based on the file origin and functional layers. One is the Metrics Area Figure, which can express duplication of edits by multiple organizations intuitively using overlapping figures. The other is Origin City, which was inspired by Code City. It can represent the scale and other measurements, while simultaneously stacking functional layers as 3D buildings.

    DOI

    Scopus

    6
    Citation
    (Scopus)
  • Case Study: Project Management Using Cross Project Software Reliability Growth Model Considering System Scale

    Kiyoshi Honda, Nobuhiro Nakamura, Hironori Washizaki, Yoshiaki Fukazawa

    2016 IEEE 27TH INTERNATIONAL SYMPOSIUM ON SOFTWARE RELIABILITY ENGINEERING WORKSHOPS (ISSREW)     41 - 44  2016  [Refereed]

     View Summary

    We propose a method to compare software products developed by the same company in the same domain. Our method, which measures the time series of the number of detected faults, employs software reliability growth models (SRGMs). SRGMs describe the relations between faults and the time necessary to detect them. Herein our method is extended to classify past projects for comparison to current projects to help managers and developers decide when to end the test phases or release a project. Past projects are classified by three parameters: lines of code, number of test cases, and test density. Then SRGM is applied. Our extended method is applied to the datasets for nine projects developed by Sumitomo Electric Industries, Ltd. Classification by test density produces the best results.

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • Iterative Process to Improve GQM Models with Metrics Thresholds to Detect High-risk Files

    Naohiko Tsuda, Masaki Takada, Hironori Washizaki, Yoshiaki Fukazawa, Shunsuke Sugimura, Yuichiro Yasuda, Masanao Futakami

    PROCEEDINGS OF THE 2016 IEEE REGION 10 CONFERENCE (TENCON)     3813 - 3816  2016  [Refereed]

     View Summary

    Manual code inspections are intense and time-consuming activities to improve the maintainability and reusability of source code. Although automatic detection of high-risk source code file by metrics thresholds can help inspectors, determining the optimal thresholds is difficult Thus, we propose an iterative process to defin and improve GQM models with metrics thresholds to detect high-risk files Our process clarifie experts' viewpoints in the inspection and the measurement metrics using the GQM method, define how to interpret the metrics values, searches concrete thresholds for a specifi project by supervised learning using some of the file in the project as training data, and analyzes how to improve models and thresholds. We implemented our tool in R language and evaluated our process using a industrial project. Small-sized embedded C++ systems require only a few training data.

    DOI

    Scopus

  • Repositoryprobe: Dataset creation support tool for repository mining

    Takasawa, Ryohei, Sakamoto, Kazunori, Washizaki, Hironori, Fukazawa, Yoshiaki

    Computer Software   32 ( 4 ) 103 - 114  2015.12

     View Summary

    The studies of Repository Mining have been actively conducted. However, it is difficult to search projects with specified languages, development scale, purposes and so on. In this paper, we propose RepositoryProbe, a dataset creation support tool fot the study of repository mining. It makes easier to search and collect the projects in project hosting service on the web, and supports the creation of datasets. In addition, it can collect the social metrics, the amount of development activities.

  • まねっこダンス:真似て覚えるプログラミング学習ツール

    坂本 一憲, 本田 澄, 音森 一輝, 山崎 頌平, 服部 真智子, 松浦 由真, 高野 孝一, 鷲崎 弘宜, 深澤 良彰

    コンピュータソフトウェア、日本ソフトウェア科学会   32 ( 4 ) 74 - 92  2015.11  [Refereed]

    CiNii

  • オープンソースソフトウェアに関するソースコードの変更回数とバグ修正の関係分析に向けて

    本田 澄, 伊原 彰紀, 鷲崎 弘宜, 深澤 良彰

    第22回 ソフトウェア工学の基礎ワークショップ (FOSE 2015)    2015.11  [Refereed]

  • Finding and Emulating Keyboard, Mouse, and Touch Interactions and Gestures while Crawling RIAs

    Frederik H. Nakstad, Hironori Washizaki, Yoshiaki Fukazawa

    INTERNATIONAL JOURNAL OF SOFTWARE ENGINEERING AND KNOWLEDGE ENGINEERING   25 ( 9-10 ) 1777 - 1782  2015.11  [Refereed]

     View Summary

    Existing techniques for crawling Javascript-heavy Rich Internet Applications tend to ignore user interactions beyond mouse clicking, and therefore often fail to consider potential mouse, keyboard and touch interactions. We propose a new technique for automatically finding and exercising such interactions by analyzing and exercising event handlers registered in the DOM. A basic form of gesture emulation is employed to find states accessible via swiping and tapping. Testing the tool against 6 well-known gesture libraries and 5 actual RIAs, we find that the technique discovers many states and transitions resulting from such interactions, and could be useful for cases such as automatic test generation and error discovery, especially for mobile web applications.

    DOI

    Scopus

  • Two-level Checklists and Perspectives: Software Reading Techniques for Pattern Writer’s Workshop

    Tian Xia, Hironori Washizaki, Yoshiaki Fukazawa, Joseph Yoder, Rebecca Wirfs-Brock

    the 22nd Conference on Pattern Languages of Programs Conference 2015    2015.10  [Refereed]

  • Systematic Mapping of Security Patterns Research

    Yurina Ito, Hironori Washizaki, Masatoshi Yoshizawa, Yoshiaki Fukazawa, Takao Okubo, Haruhiko Kaiya, Atsuo Hazeyama, Nobukazu Yoshioka, Eduardo B. Fernandez

    22nd Conference on Pattern Languages of Programs Conference 2015    2015.10  [Refereed]

  • 類似プロダクトでのテスト実行履歴を用いたブラックボックステストにおけるテスト優先度付け

    野口 直寛, 鷲崎 弘宜, 深澤 良彰, 佐藤 孝俊, 太田 健一郎

    ソフトウェア品質シンポジウム2015(SQiPシンポジウム2016)    2015.09  [Refereed]

  • An Evaluation and Result in Workshop Using Minecraft for ICT Education

    Daisuke Saito, Akira Takebayashi, Tsuneo Yamaura, Hironori Washizaki, Yoshiaki Fukazawa

    3rd International Japan Game Studies Conference     38 - 39  2015.05  [Refereed]

  • Recovering Traceability Links between Requirements and Source Code Using the Configuration Management Log

    Ryosuke Tsuchiya, Hironori Washizaki, Yoshiaki Fukazawa, Tadahisa Kato, Masumi Kawakami, Kentaro Yoshimura

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E98D ( 4 ) 852 - 862  2015.04  [Refereed]

     View Summary

    Traceability links between requirements and source code are helpful in software reuse and maintenance tasks. However, manually recovering links in a large group of products requires significant costs and some links may be overlooked. Here, we propose a semi-automatic method to recover traceability links between requirements and source code in the same series of large software products. In order to support differences in representation between requirements and source code, we recover links by using the configuration management log as an intermediary. We refine the links by classifying requirements and code elements in terms of whether they are common to multiple products or specific to one. As a result of applying our method to real products that have 60KLOC, we have recovered valid traceability links within a reasonable amount of time. Automatic parts have taken 13 minutes 36 seconds, and non-automatic parts have taken about 3 hours, with a recall of 76.2% and a precision of 94.1%. Moreover, we recovered some links that were unknown to engineers. By recovering traceability links, software reusability and maintainability will be improved.

    DOI

    Scopus

    15
    Citation
    (Scopus)
  • Model-Driven-Development-Based Stepwise Software Development Process for Wireless Sensor Networks

    Kenji Tei, Ryo Shimizu, Yoshiaki Fukazawa, Shinichi Honiden

    IEEE TRANSACTIONS ON SYSTEMS MAN CYBERNETICS-SYSTEMS   45 ( 4 ) 675 - 687  2015.04  [Refereed]

     View Summary

    To meet future demands for wireless sensor network (WSN) software, both experts and average software developers should be involved in WSN software development. However, WSN software development is difficult for the average software developer because data processing-related design and network-related design are tangled in the software. Here, we propose a software development process for WSN software by stepwise refinement. Our process enables stepwise refinement to separately address data processing-related and network-related concerns, reuse of well-defined designs, and implementations for network-related concerns prepared by the experts, and perform model-driven development to obtain source codes from models by model transformations. Additionally, we used case studies using actual WSN software development and user studies to evaluate how our proposed process can support actual WSN software development.

    DOI

    Scopus

    28
    Citation
    (Scopus)
  • プログラミングと性格に関する一考察

    高澤亮平, 坂本一憲, 鷲崎弘宜, 深澤良彰

    情報処理学会第77回全国大会     1-307 - 1-308  2015.03

     View Summary

    学生奨励賞

  • Introducing Software Reading Techniques into Pattern Writer’s Workshop: Checklists and Perspectives

    Hironori Washizaki, Tian Xia, Yoshiaki Fukazawa

    4th Asian Conference on Pattern Languages of Programs    2015.03  [Refereed]

  • DePoT: Testing Framework for Web Application Test

    IPSJ Journal   56 ( 3 ) 835 - 846  2015.03

     View Summary

    The sizes of web applications are increasing, thus, development costs to write test code for web applications are also increasing. Moreover, specification changes of web applications are frequently occured and there are no method to modularize assertions of test code. Such situation poses high maintenance costs by decreasing understandability and changeability. We propose a novel testing framework for web applications, named DePoT, which provides an internal DSL on the basis of the Page Object design pattern. DePoT reduces the development costs of test code by generating a skeleton test code using the internal DSL and reduces the maintenance costs of test code by using the Page Object design pattern and the internal DSL. We evaluate DePoT by comparing traditional testing methods.

    CiNii

  • Support to Apply Accessibility Guidelines to Web Applications

    Tamaki Ohara, Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa

    4th International Conference on Information Computer Application    2015.02  [Refereed]

    DOI

  • Open Education, MOOC and JMOOC

    Fukazawa Yoshiaki

    The Journal of the Institute of Image Information and Television Engineers   69 ( 11 ) 905 - 908  2015

    DOI CiNii

    Scopus

  • プログラミング教育:ロボットの導入による効果についての比較研究

    山崎頌平, 坂本一憲, 本田澄, 鷲崎弘宜, 深澤良彰

    教育システム情報学会研究報告   29 ( 5 ) 105 - 110  2015.01

  • Verification of Differences in Programming Educational Effects by Nature of Character

    Kazuki Otomori, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    JSiSE research report   29 ( 5 ) 101 - 104  2015.01

    CiNii

  • Can the software design activity be quantied

    Jonatan Hernandez, Hironori Washizaki, Yoshiaki Fukazawa

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2015・イン・宜野湾    2015.01  [Refereed]

  • 開発者行動を考慮したソフトウェア信頼性モデル

    本田澄, 鷲崎弘宜, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2015・イン・宜野湾    2015.01  [Refereed]

  • ピアレビュー技法とライターズワークショップ

    鷲崎弘宜, 夏天, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2015・イン・宜野湾    2015.01  [Refereed]

  • メトリクスと閾値による保守性・再利用性評価式の作成・更新プロセス

    津田直彦, 高田正樹, 鷲崎弘宜, 深澤良彰, 杉村俊輔, 保田裕一朗, 二上将直

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2015・イン・宜野湾   2015   25 - 26  2015.01  [Refereed]

    CiNii

  • Verifying Implementation of Security Design Patterns Using a Test Template

    Masatoshi Yoshizawa, Takanori Kobashi, Hironori Washizaki, Yoshiaki Fukazawa, Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka

    2014 NINTH INTERNATIONAL CONFERENCE ON AVAILABILITY, RELIABILITY AND SECURITY (ARES)     178 - 183  2015  [Refereed]

     View Summary

    Although security patterns contain security expert knowledge to support software developers, these patterns may be inappropriately applied because most developers are not security specialists, leading to threats and vulnerabilities. Here we propose a validation method for security design patterns in the implementation phase of software development. Our method creates a test template from a security design pattern, which consists of the "aspect test template" to observe the internal processing and the "test case template". Providing design information creates a test from the test template. Because a test template is recyclable, it can create easily a test, which can validate the security design patterns. As a case study, we applied our method to a web system. The result shows that our method can test repetition in the early stage of implementation, verify pattern applications, and assess whether vulnerabilities are resolved.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • RepositoryProbe: Dataset Creation Support Tool for Repository Mining

    TAKASAWA Ryohei, SAKAMOTO Kazunori, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    Computer Software   32 ( 4 ) 4_103 - 4_114  2015

     View Summary

    The studies of Repository Mining have been actively conducted. However, it is difficult to search projects with specified languages, development scale, purposes and so on. In this paper, we propose RepositoryProbe, a dataset creation support tool fot the study of repository mining. It makes easier to search and collect the projects in project hosting service on the web, and supports the creation of datasets. In addition, it can collect the social metrics, the amount of development activities.

    DOI CiNii

  • Comparative Study on Programmable Robots as Programming Educational Tools

    Shohei Yamazaki, Kazunori Sakamoto, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    17th Australasian Computing Education Conference   29 ( 5 ) 155 - 164  2015.01  [Refereed]

    CiNii

  • Support of Scenario Creation by Generating Event Lists from Conceptual Models

    Kenta Goto, Shinpei Ogata, Junko Shirogane, Takako Nakatani, Yoshiaki Fukazawa

    MODELSWARD 2015 PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON MODEL-DRIVEN ENGINEERING AND SOFTWARE DEVELOPMENT     376 - 383  2015  [Refereed]

     View Summary

    In the requirements definition phase, conceptual models are used to understand the developing software. Although scenarios are often described on the basis of conceptual models, there are cases that necessary requirements are omitted in the scenarios when the scenarios are created manually. Herein we propose an approach to support scenario creation from conceptual models where event lists of scenarios, which include checkpoints to define requirements, are generated from conceptual models automatically. The conceptual models represent the core resources of the software, the owner of the core resources, and use cases as class diagrams. Then software engineers and their clients arrange the event lists and define requirements as scenarios on the basis of the checkpoints. Our approach can support describing scenarios with all the necessary requirements from conceptual models. To confirm the effectiveness of our approach, we compared our approach to the all-manual approach.

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • History-Based Test Case Prioritization for Black Box Testing using Ant Colony Optimization

    Tadahiro Noguchi, Hironori Washizaki, Yoshiaki Fukazawa, Atsutoshi Sato, Kenichiro Ota

    2015 IEEE 8th International Conference on Software Testing, Verification and Validation (ICST)    2015  [Refereed]

     View Summary

    Test case prioritization is a technique to improve software testing. Although a lot of work has investigated test case prioritization, they focus on white box testing or regression testing. However, software testing is often outsourced to a software testing company, in which testers are rarely able to access to source code due to a contract. Herein a framework is proposed to prioritize test cases for black box testing on a new product using the test execution history collected from a similar prior product and the Ant Colony Optimization. A simulation using two actual products shows the effectiveness and practicality of our proposed framework.

  • TESEM: A Tool for Verifying Security Design Pattern Applications by Model Testing

    Takanori Kobashi, Masatoshi Yoshizawa, Hironori Washizaki, Yoshiaki Fukazawa, Nobukazu Yoshioka, Takano Okubo, Haruhiko Kaiya

    2015 IEEE 8th International Conference on Software Testing, Verification and Validation (ICST)     1 - 8  2015  [Refereed]

     View Summary

    Because software developers are not necessarily security experts, identifying potential threats and vulnerabilities in the early stage of the development process (e.g., the requirement-or design-phase) is insufficient. Even if these issues are addressed at an early stage, it does not guarantee that the final software product actually satisfies security requirements. To realize secure designs, we propose extended security patterns, which include requirement-and design-level patterns as well as a new model testing process. Our approach is implemented in a tool called TESEM (Test Driven Secure Modeling Tool), which supports pattern applications by creating a script to execute model testing automatically. During an early development stage, the developer specifies threats and vulnerabilities in the target system, and then TESEM verifies whether the security patterns are properly applied and assesses whether these vulnerabilities are resolved.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • Interactive Recovery of Requirements Traceability Links Using User Feedback and Configuration Management Logs

    Ryosuke Tsuchiya, Hironori Washizaki, Yoshiaki Fukazawa, Keishi Oshima, Ryota Mibe

    ADVANCED INFORMATION SYSTEMS ENGINEERING, CAISE 2015   9097   247 - 262  2015  [Refereed]

     View Summary

    Traceability links between requirements and source code can assist in software maintenance tasks. There are some automatic traceability recovery methods. Most of them are similarity-based methods recovering links by comparing representation similarity between requirements and code. They cannot work well if there are some links independent of the representation similarity. Herein to cover weakness of them and improve the accuracy of recovery, we propose a method that extends the similarity-based method using two techniques: a log-based traceability recovery method using the configuration management log and a link recommendation from user feedback. These techniques are independent of the representation similarity between requirements and code. As a result of applying our method to a large enterprise system, we successfully improved both recall and precision by more than a 20 percent point in comparison with singly applying the similarity-based method (recall: 60.2% to 80.4%, precision: 41.1% to 64.8%).

    DOI

    Scopus

    10
    Citation
    (Scopus)
  • How does defect removal activity of developer vary with development experience?

    Reou Ando, Seiji Sato, Chihiro Uchida, Hironori Washizaki, Yoshiaki Fukazawa, Sakae Inoue, Hiroyuki Ono, Yoshiiku Hanai, Masanobu Kanazawa, Kazutaka Sone, Katsushi Namba, Mikihiko Yamamoto

    Proceedings of the International Conference on Software Engineering and Knowledge Engineering, SEKE   2015-   540 - 545  2015  [Refereed]

     View Summary

    Because developers significantly impact software development projects, many researchers have studied developers as a means to improve the quality of software. However, most works have examined developers in a single project, and research involving multiple projects has yet to be published. Herein we propose an analysis method which investigates whether an evaluation of developers based on individual experience is feasible when targeting more than one project by the same organization transversely. Our method deals with the logs of the version control system and the bug tracking system. To support this method, we also propose two models to evaluate developer, the defect removal overhead rate (DROR) and developer's experience point (EXP). The results reveal the following. 1) DROR cannot be used to compare different projects in the same organization. 2) There is certainly a difference in DROR's between experienced and inexperienced developers. 3) EXP should be a useful model to evaluate developers as the number of projects increases. The data obtained from our method should propose the personnel distribution measures within the development framework for future developments, which might lead to improve the quality of software.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • Finding and emulating keyboard, mouse, and touch interactions and gestures while crawling RIA's

    Frederik H. Nakstad, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of the International Conference on Software Engineering and Knowledge Engineering, SEKE   2015-   631 - 638  2015  [Refereed]

     View Summary

    Crawling JavaScript heavy Rich Internet Applications has been a hot topic in recent years, giving us automated tools for indexing content, test generation, and security- and accessibility evaluation to mention a few examples. However, existing crawling techniques tend to ignore user interactions beyond mouse clicking, and therefore often fail to consider potential mouse, keyboard and touch interactions. We propose a new technique for finding and exercising mouse, keyboard, and touch interactions when crawling highly interactive JavaScript-based websites by analyzing and exercising event handlers registered in the DOM. A basic form of gesture emulation is employed to find states accessible via swiping and tapping. Testing the tool against 6 well-known gesture libraries and 5 actual RIA's, we find that the technique discovers many states and transitions resulting from such interactions. Our findings indicate the technique could be useful for automatic test generation, error discovery, and accessibility evaluation, especially for mobile web applications with advanced interaction options.

    DOI

    Scopus

  • Predicting Release Time for Open Source Software based on the Generalized Software Reliability Model

    Hironori Washizaki, Kiyoshi Honda, Yoshiaki Fukazawa

    2015 AGILE CONFERENCE     76 - 81  2015  [Refereed]

     View Summary

    There is a significant challenge that how to predict the possible release date of the target software having enough reliability in agile development where incremental development and small software releases are key characteristics. Existing approaches targeting agile development usually use release backlogs for predicting and setting delivery windows; however these do not consider the reliability of software for release date prediction so that there is a possibility that software at the predicted release date have poor reliability. Previously we proposed a generalized software reliability model (GSRM) based on a stochastic process and compared it with other models to evaluate recent software developments. However, we, did not directly evaluate the accuracy of the predicted release time by model. In this paper, towards prediction of release dates in agile development, we focus on the release dates of open source software (OSS) developments and the number of detected issues (faults) since OSS developments comply well with the definition of the agile development in terms of incremental process and frequent releases We define the accuracy of the predicted release time using the given development terms and the number of issues. Additionally, we propose a method to evaluate the accuracy of the predicted release time. In the best case, GSRM shows only 0.572% Error Rate, which corresponds to a predicted release date of two days prior to the actual release date. We believe that our method should be applicable to agile developments too.

    DOI

    Scopus

    11
    Citation
    (Scopus)
  • Support Method of Usability Evaluations for Android Applications Based on Operation Histories

    Misaki Matsuzawa, Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa

    2015 FIFTH INTERNATIONAL CONFERENCE ON DIGITAL INFORMATION PROCESSING AND COMMUNICATIONS (ICDIPC)     288 - 293  2015  [Refereed]

     View Summary

    Due to the prevalence of tablets, the usability of the User Interfaces (UIs) must be improved, but the number of support methods for usability evaluations for tablets is small. Herein we propose a method to automatically evaluate usability based on operation histories, including action frequency and operation times, and statistical analysis. Because our approach easily detects UI design problems, the burdens on developers and costs can be reduced. Using a small-scale case study and test with about 20 participants, we show that our approach can detect detailed problems with usability via a mostly automated process.

    DOI

    Scopus

    2
    Citation
    (Scopus)
  • Recovering Transitive Traceability Links among Software Artifacts

    Kazuki Nishikawa, Hironori Washizaki, Yoshiaki Fukazawa, Keishi Oshima, Ryota Mibe

    2015 31ST INTERNATIONAL CONFERENCE ON SOFTWARE MAINTENANCE AND EVOLUTION (ICSME) PROCEEDINGS     576 - 580  2015  [Refereed]

     View Summary

    Although many methods have been suggested to automatically recover traceability links in software development, they do not cover all link combinations (e.g., links between the source code and test cases) because specific documents or artifact features (e.g., log documents and structures of source code) are used. In this paper, we propose a method called the Connecting Links Method (CLM) to recover transitive traceability links between two artifacts using a third artifact. Because CLM uses a different artifact as a document, it can be applied to kinds of various data. Basically, CLM recovers traceability links using the Vector Space Model (VSM) in Information Retrieval (IR) methods. For example, by connecting links between A and B and between B and C, CLM retrieves the link between A and C transitively. In this way, CLM can recover transitive traceability links when a suggested method cannot. Here we demonstrate that CLM can effectively recover links that VSM is hard using Open Source Software.

    DOI

    Scopus

    16
    Citation
    (Scopus)
  • Detection of Unexpected Situations by Applying Software Reliability Growth Models to Test Phases

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Kazuki Munakata, Sumie Morita, Tadahiro Uehara, Rieko Yamamoto

    2015 IEEE International Symposium on Software Reliability Engineering Workshops (ISSREW)     2 - 5  2015  [Refereed]

     View Summary

    In software development, software reliability growth models (SRGMs) often provide values that do not meet expectations; sometimes the results of the SRGM and the actual data disagree and other times the SRGM overestimates the expected values. The former often occurs in model curves and the predicted number of faults. For example, the software reliability growth curve cannot describe the situation where developers stop testing multiple times because the equations in SRGMs cannot treat such information. The latter can arise when the total number of expected faults is 100, but the SRGM indicates 1000. If developers encounter such situations, they often doubt the SRGM results and hesitate using SRGMs for predictions. In this study, we apply two different cases of SRGM. Two projects of Fujitsu Labs Ltd. are analyzed using SRGM either for the entire dataset or each test phase. Based on the results and interviews with the developers, we found that the model using separate test phases provides a better fit because faults counted in each test phase have different viewpoints and the deviation between SRGM and expectations indicates a problem with development.

    DOI

    Scopus

    6
    Citation
    (Scopus)
  • Work in Progress: A Comparison of Programming Way: Illustration-based Programming and Text-based Programming

    Daisuke Saito, Hironori Washizaki, Yoshiaki Fukazawa

    2015 IEEE INTERNATIONAL CONFERENCE ON TEACHING, ASSESSMENT, AND LEARNING FOR ENGINEERING (TALE)     220 - 223  2015  [Refereed]

     View Summary

    Learning to programming language is difficult. One solution is to use a digital game, which increases motivation of first-time learners. In this paper, we were executing programming learning with MincraftEdu of sandbox game and ComputerCraftEdu of expansion function. In addition, learning method to programming has illustration-based programming and text-based programming in ComputerCraftEdu. We compare the programming way of illustration programming and text programming. In this result, there was a significant difference towards the illustration-based programming throughout the comparison. In this paper, we present the results.

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • A Third-party Extension Support Framework Using Patterns

    Yiyang Hao, Hironori Washizaki, Yoshiaki Fukazawa

    2015 22ND ASIA-PACIFIC SOFTWARE ENGINEERING CONFERENCE (APSEC 2015)   2016-May   198 - 205  2015  [Refereed]

     View Summary

    Software extension is a fundamental challenge in software engineering which involves extending the functionalities of a software module without modifying it. Many modern software developers choose to adapt third-party extension platform to further improve customizability. As the project evolves, the requirements may change to include third-party extension support. However to design and to implement such platform is no trivial task, and should happen at the beginning of the project. In this paper, we have shown the four types of extensions that are often made to object-oriented software, namely Member Access Extension, Subclass Extension, Event-based Extension and Data Extension. And proposed a language-independent platform design that can be applied to an existing software project to support such third-party extensions. The platform exercises design patterns to implement its features. We also developed an Eclipse plugin that helps developers introduce the platform to existing Java software via semi-automatic code manipulation. We further conducted a comparative experiment to test our tool with volunteers from Waseda University and noticed a significant decrease of required effort.

    DOI

    Scopus

  • Report on the First Asia-Pacific Softwarea Engineering Conference

    Sadahiro Isoda, Motoshi Saeki, Yoshiaki Fukazawa, Mikio Aoyama, Kazuhito Ohmaki, Akira Kagaya, Kazuo matsumura

    KIISE Software Engineering Society    2014.12  [Refereed]

  • 開発者数の変動を含むソフトウェア信頼性モデルを用いた欠陥数予測

    本田 澄, 中井 秀矩, 鷲崎 弘宜, 深澤 良彰

    日本ソフトウェア科学会 第21回 ソフトウェア工学の基礎ワークショップ FOSE 2014 in 霧島    2014.12  [Refereed]

  • 保守性・再利用性の低いファイル予測:プロジェクトに合わせた最適化の枠組み

    津田 直彦, 高田 正樹, 鷲崎 弘宜, 深澤 良彰, 杉村 俊輔, 保田 裕一朗, 二上 将直

    日本ソフトウェア科学会 第21回 ソフトウェア工学の基礎ワークショップ FOSE 2014 in 霧島    2014.12  [Refereed]

  • Detect Low Maintainability and Reusability Files: Framework for Optimal Prediction in Consideration of a Project

    Naohiko Tsuda, Masaki Takada, Hironori Washizaki, Yoshiaki Fukazawa, Shunsuke Sugimura, Yuichiro Yasuda, Masanao Futakami

    6th International Workshop on Empirical Software Engineering in Practice    2014.11  [Refereed]

  • 保守性・再利用性が低いファイルの予測:産業データを用いた研究

    津田直彦, 高田正樹, 鷲崎弘宜, 深澤良彰, 杉村俊輔, 保田裕一朗, 二上将直

    研究報告ソフトウェア工学(SE)   2014 ( 10 ) 1 - 8  2014.11

     View Summary

    再利用性の高い資産を蓄積するためには,保守性・再利用性の低いソースコードファイル (Unacceptable Files:FS) とそうでないファイル (Acceptable Files:Fs) を見分け,早い段階で UFs を発見し修正する必要がある.人手レビューには時間がかかるため,自動で UFs を検出するための研究がこれまでされてきた.しかし,言語や開発形態の違いなどからソフトウェアプロジェクト毎にメトリクス傾向は異なることが多い.そのため,GQM 法などを用いてあるプロジェクトに対して自動評価式を作成しても,他のプロジェクトに対しては適切でない評価をしてしまう場合がある.そこで,我々は GQM モデルを共通のドメインで再利用しつつ,メトリクスの値を解釈する評価式のパラメタ (閾値) 変更によってプロジェクトに合わせた自動評価をする仕組みを考えた.そして,可変部分である閾値を経験的に決めるのでなく,実際の人手レビュー結果に基づいて決めるための枠組みを考案した.本稿では建機メーカーの実プロダクト (C++) を用いて,提案する枠組みの有効性を実験的に確認した.その結果,評価する項目によってはファイルの自動評価を人手レビューに十分近似させることが可能とわかった (カッパ係数 0.7 以上の一致度).

    CiNii

  • Supporting Model Transformation Developments with Multi-Level Models: A Wireless Sensor Network Case

    Ryo Shimizu, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    11th International Conference Applied Computing 2014     29 - 36  2014.10  [Refereed]

  • RepositoryProbe: リポジトリマイニングのためのデータセット作成支援ツール

    高澤亮平, 坂本一憲, 鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会 第31回大会     322 - 327  2014.09

  • まねっこダンス:真似て覚えるプログラミング学習ツール

    坂本一憲, 高野孝一, 本田澄, 音森一輝, 山崎頌平, 鷲崎弘宣, 深澤良彰

    日本ソフトウェア科学会 第31回大会     1 - 10  2014.09  [Refereed]

  • CIツールとリポジトリシステムを用いた欠陥数予測

    本田澄, 中井秀矩, 鷲崎弘宜, 深澤良彰, 森牧, 小川健太郎, 高橋一貴

    SQiPシンポジウム2014    2014.09  [Refereed]

  • Analyzing Software Patterns Network obtained from Portland Pattern Repository

    Hironori Washizaki, Suthinan Thanintranon, Masashi Kadoya, Yoshiaki Fukazawa, Takeshi Kawamura, Joseph W. Yoder

    21st Conference on Pattern Languages of Programs    2014.09  [Refereed]

  • A Tool for Suggesting Similar Program Element Modifications

    Yujiang Yang, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    IPSJ SIG Notes 2014-SE-185     1 - 6  2014.07

  • RefactoringScript: A Script and Its Processor for Composite Refactoring

    Linchao Yang, Tomoyuki Kamiya, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    26th International Conference on Software Engineering and Knowledge Engineering     711 - 716  2014.07  [Refereed]

  • Method for Consistent GUI Arrangements by Analyzing Existing Windows and Its Evaluation

    Junko Shirogane, Seitaro Shirai, Hajime Iwata, Yoshiaki Fukazawa

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E97D ( 5 ) 1084 - 1096  2014.05  [Refereed]

     View Summary

    To realize usability in software, GUI (Graphical User Interface) layouts must be consistent because consistency allows end users to operate software based on previous experiences. Often consistency can be achieved by user interface guidelines, which realize consistency in a software package as well as between various software packages within a platform. Because end users have different experiences and perceptions, GUIs based on guidelines are not always usable for end users. Thus, it is necessary to realize consistency without guidelines. Herein we propose a method to realize consistent GUIs where existing software packages are surveyed and common patterns for window layouts, which we call layout rules, are specified. Our method uses these layout rules to arrange the windows of GUIs. Concretely, source programs of developed GUIs are analyzed to identify the layout rules, and then these rules are used to extract parameters to generate source programs of undeveloped GUIs. To evaluate our method, we applied it to existing GUIs in software packages to extract the layout rules from several windows and to generate other windows. The evaluation confirms that our method easily realizes layout consistency.

    DOI

    Scopus

    1
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  • ぬいぐるみを利用したプログラミング学習環境の構築

    音森一輝, 坂本一憲, 鷲崎弘宜, 深澤良彰

    情報処理学会 第76回全国大会     543 - 544  2014.03

  • The construction technique of a uniffic abstract syntax tree for two or more programming languages

    Junichi Kobayashi, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    情報処理学会 第76回全国大会     321 - 322  2014.03

  • Improving Fault Localization Based on Dynamic Slicing using Additional Assertions

    Genki Sugimoto, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    情報処理学会 第76回全国大会     397 - 398  2014.03

  • Facilitate Defect Removal Using Static Analysis Tools by introducing competition

    ARAI Satoshi, SAKAMOTO Kazunori, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    Technical report of IEICE. SS   113 ( 489 ) 55 - 60  2014.03

    CiNii

  • D-13-3 Support method of web-site usability evaluation for tablets

    Matsuzawa Misaki, Shirogane Junko, Iwata Hajime, Fukazawa Yoshiaki

    Proceedings of the IEICE General Conference   2014 ( 2 ) 163 - 163  2014.03

    CiNii

  • Data Quality-Centric Development Process in Wireless Sensor Network

    SHIMIZU Ryo, TEI Kenji, FUKAZAWA Yoshiaki, HONIDEN Shinichi

    The IEICE transactions on information and systems (Japanese edition)   97 ( 3 ) 473 - 487  2014.03

    CiNii

  • Automatic Assessment of End-User Adaptive Operation Styles for Software Tutorial Systems

    Hajime Iwata, Nobuo Ikumi, Junko Shirogane, Yoshiaki Fukazawa

    7th IADIS International Conference Information Systems 2014     375 - 377  2014.02  [Refereed]

  • GQM を用いた改善プロセスサポートツールの開発

    中井 秀矩, 本田 澄, 鷲崎 弘宜, 深澤 良彰

    ウィンターワークショップ2014・イン・大洗 論文集    2014  [Refereed]

  • Portland Pattern Repository上のソフトウェアパターン群に対するネットワーク分析

    角谷 将司, 鷲崎 弘宜, 川村 健, 深澤 良彰

    ウィンターワークショップ2014・イン・大洗 論文集   2014   53 - 54  2014  [Refereed]

    CiNii

  • クラスの責務の大きさに着目したUML設計クラス図の構造評価

    津田 直彦, 鷲崎 弘宜, 深澤 良彰

    ウィンターワークショップ2014・イン・大洗 論文集   2014   25 - 26  2014  [Refereed]

    CiNii

  • 不確実性を含む信頼性成長モデル

    本田 澄, 鷲崎 弘宜, 深澤 良彰

    ウィンターワークショップ2014・イン・大洗 論文集    2014  [Refereed]

  • 静的・動的ハイブリッドな解析によるコード・データのトレーサビリティリンクの抽出

    津村 耕司, 鷲崎 弘宜, 深澤 良彰, 土屋 良介, 大島 敬志, 三部 良太

    ウィンターワークショップ2014・イン・大洗 論文集   2014   5 - 6  2014  [Refereed]

    CiNii

  • Validating Security Design Pattern Applications by Testing Design Models

    Takanori Kobashi, Nobukazu Yoshioka, Haruhiko Kaiya, Hironori Washizaki, Takao Okubo, Yoshiaki Fukazawa

    International Journal of Secure Software Engineering   5 ( 4 ) 1 - 30  2014  [Refereed]

    DOI

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    10
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  • Detecting Design Patterns in Object-Oriented Program Source Code by using Metrics and Machine Learning

    Satoru Uchiyama, Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    Special Issue on Design Patterns, Journal of Software Engineering and Applications   7 ( 12 )  2014  [Refereed]

    DOI

  • High Performance and Low Energy Consumption by Aspect-Oriented Programming

    Washizaki Hironori, Ohkawara Kota, Hara Akihiro, Fukazawa Yoshiaki

    Technical report of IEICE. SS   113 ( 422 ) 29 - 34  2014.01

     View Summary

    In this paper, we report two case studies of applying aspect-oriented programming for achieving high performance and low energy consumption while keeping or improving maintainability: multi-threading existing unit test framework (JUnit) to reduce testing time on multi-core processing environments, and, adding and changing hardware control strategies and algorithms to reduce energy consumption while controlling robotics.

    CiNii

  • GUI prototype generation from scenarios in the requirements elicitation phase

    Junko Shirogane, Hiroshige Shibata, Hajime Iwata, Yoshiaki Fukazawa

    Proceedings of the IASTED International Conference on Software Engineering, SE 2014     31 - 38  2014  [Refereed]

     View Summary

    In the requirements elicitation phase, operation flows of software are often defined by scenarios. It is necessary to define appropriate operation flows as scenarios in terms of easily comprehended operation flows, efficiency, etc. Then scenarios are implemented as software Graphical User Interfaces (GUIs). If the operation flows are defined inappropriately, the implemented GUIs may require modifications in the late software development phase. Although defining appropriate operation flows is difficult in the requirements elicitation phase, operation flows of GUIs cannot be always modified in the late software development phase. Thus, it is necessary for end users to evaluate the appropriateness of operation flows in scenarios. Herein we propose a method to generate GUI prototypes from scenarios. By parsing the events in the target scenarios, which are written in a natural language, GUI prototypes are automatically generated. Using the generated GUI prototypes, the appropriateness of operation flows can be evaluated by end users. If problems arise, the GUI prototypes can be modified in the early requirements elicitation phase.

    DOI

    Scopus

    3
    Citation
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  • Evaluating structural validity of class diagrams by measuring the number of highly responsible classes

    Naohiko Tsuda, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of the IASTED International Conference on Software Engineering, SE 2014     46 - 53  2014  [Refereed]

     View Summary

    Design models are often developed using UML class diagrams. Based on past questionnaire surveys reported by Lange and Nugroho, we assumed that the existence of highly responsible classes indicate that a class diagram was created through the proper consideration of the structure of the system. Thus, we analyzed the structure of UML design class diagrams. Specifically, we measured our novel metrics (the amount of highly responsible classes in class diagrams), and investigate the correlations between our metrics and the structural validity of design. In this study, we propose two viewpoints to distinguish large values which indicate high responsibility. Additionally, we conducted the evaluation experiment using 65 design class diagrams, which were originally submitted to a Robot Contest on the domain of embedded systems and evaluated by software development experts based on structural validity. Then the correlations between our novel metrics and the experts' qualitative assessment were analyzed.

    DOI

    Scopus

    1
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  • RELATIONSHIPS BETWEEN VARIATIONS OF PERSONAL CHARACTERISTICS AND EDUCATIONAL EFFECTIVENESS ON SOFTWARE INTENSIVE SYSTEMS DEVELOPMENT

    Shota Inaga, Hironori Washizaki, Yusuke Yamada, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Teruhiko Kume, Manabu Tamaki

    INTED2014: 8TH INTERNATIONAL TECHNOLOGY, EDUCATION AND DEVELOPMENT CONFERENCE     698 - 706  2014  [Refereed]

     View Summary

    In order to improve the training of IT professionals, practical courses in the form of project-based learning (PBL), which teach practical skills for systems acquisition and provisioning and for project management, are being implemented in various universities. For example, a course has been offered at Waseda University since 2011 in cooperation with the Japanese governmental bodies and IT companies. This course consists of three lectures per day for five days (each lecture has 90 minutes) and the number of students attending this course is 26 in 2011, 17 in 2012 and 39 in 2013. In this course, students mainly learn the management of software intensive systems development projects from the viewpoint of the provider such as requirements analysis and architectural design.
    There is a study investigating the relationships between the variation in the personality profile of paired students and their academic performance in Pair Programming [1]. However, in practical courses on software intensive business systems, we do not yet have an established method for determining what kind of personal characteristics and team compositions are most beneficial to obtaining the maximal educational effectiveness.
    In this study, we use the Five Factors and Stress (FFS) theory [2] to quantify the personal characteristics and we ask students to answer same questionnaire before and after the course to measure how improved their knowledge and skills. This questionnaire consists of about 40 questions and each student answers them in six degrees. As example of the questions, there is "Can you analyze requirements?". In many cases, the business of acquiring and providing software intensive systems is carried out as a team-based activity. Therefore, to teach actual business concepts, we randomly compose teams regardless of personal characteristics. The number of teams formed was 6, 4 and 8 for 2011, 2012 and 2013, respectively. This is an additional study of our paper [3] and as significant differences, we add the data of the course of 2013 in Waseda University and we analyze the data through 3 years (2011 - 2013).
    We investigate the relationships between personal characteristics and educational effectiveness to reveal the common tendency. Through t-test and boxplot, we clearly see that variations in the team members' personal characteristics have an effect on educational effectiveness. Large variation team acquires approximately 1.5 times higher educational effectiveness than small one. From this result, it is better for a team to have members with different characteristics in FFS theory for acquiring more knowledge and skills through course. We expect that in similar practical courses, we can also obtain the desirable educational effectiveness if we can compose a team with the suitable characteristics as based on our findings.

  • The Impacts of Personal Characteristic on Educational Effectiveness in Controlled-Project Based Learning on Software Intensive Systems Development

    Yusuke Yamada, Shota Inaga, Hironori Washizaki, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Teruhiko Kume, Manabu Tamaki

    2014 IEEE 27TH CONFERENCE ON SOFTWARE ENGINEERING EDUCATION AND TRAINING (CSEE&T)     119 - 128  2014  [Refereed]

     View Summary

    In practical courses on software-intensive business systems, students work in teams to acquire practical skills in systems acquisition and provisioning. However, we do not yet have an established method to determine the optimal team composition to achieve maximum educational effectiveness. In this study, we quantitatively and qualitatively investigate how personal characteristics and the learning process of team members affect educational effectiveness by examining a university course in which students work in teams on a realistic project in a classroom setting. We use the Five Factors and Stress (FFS) theory and the modified grounded theory approach (M-GTA) to measure the personal characteristics and to identify the learning process of each team member. Additionally, we compare the learning process of a team with a high educational effectiveness to one with a low educational effectiveness based on number of topics about the learning process and the kind of topics. As a result, we find that it is better for a team to have members with different personal characteristic as defined by FFS theory in order for the students to acquire more knowledge and skills through the course. Additionally, teams that focus on fewer learning process topics acquire more knowledge and skills. We expect that our findings will help increase the educational effectiveness in similar practical courses.

    DOI

    Scopus

    14
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  • Efficient Identification of Rationales by Stakeholder Relationship Analysis to Refine and Maintain GQM+Strategies Models

    Takanobu Kobori, Hironori Washizaki, Yoshiaki Fukazawa, Daisuke Hirabayashi, Katsutoshi Shintani, Yasuko Okazaki, Yasuhiro Kikushima

    Communications in Computer and Information Science   432   77 - 82  2014  [Refereed]

     View Summary

    GQM+Strategies is an approach that aligns business goals at each level of an organization to strategies to realize overall business goals and assesses the achievement of such goals. Strategies are extracted from business goals based on rationales (contexts and assumptions). Using the proposed approach, which refines the GQM+Strategies model by extracting rationales based on the analysis of the relationships between stakeholders, it is possible to extract rationales exhaustively and to reconsider the GQM+Strategies model even if the business environment changes. © Springer-Verlag Berlin Heidelberg 2014.

    DOI

    Scopus

    5
    Citation
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  • Network Analysis for Software Patterns including Organizational Patterns in Portland Pattern Repository

    Hironori Washizaki, Masashi Kadoya, Yoshiaki Fukazawa, Takeshi Kawamura

    2014 AGILE CONFERENCE (AGILE)     66 - 67  2014  [Refereed]

     View Summary

    Organizational patterns are known as the basis for Agile software development movement. Patterns usually form a network having relationships among them to support users understand and utilize patterns efficiently and effectively. However little is known about the nature of pattern networks, such as how are organizational patterns different from other patterns from the viewpoint of centrality. To clarify such characteristics, we mine a network consisting 285 patterns including 15 organizational patterns from an existing online pattern repository called Portland Pattern Repository. By applying network analysis techniques to the mined network, we revealed several interesting characteristics of the pattern network and organizational patterns such as that the degree centrality seems to somewhat reflect the commonness and generality of the corresponding pattern.

    DOI

    Scopus

    5
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  • Predicting Release Time Based on Generalized Software Reliability Model (GSRM)

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    2014 IEEE 38TH ANNUAL INTERNATIONAL COMPUTERS, SOFTWARE AND APPLICATIONS CONFERENCE (COMPSAC)     604 - 605  2014  [Refereed]

     View Summary

    Development environments have changed drastically, development periods are shorter than ever and the number of team members has increased. Especially in open source software (OSS), a large number of developers contribute to OSS. OSS has difficulties in predicting or deciding when it will be released. In order to assess recent software developments, we proposed a generalized software reliability model (GSRM) based on a stochastic process, and compared GSRM with other models. In this paper, we focus on the release dates of OSS and the growth of faults (issues).

    DOI

    Scopus

    7
    Citation
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  • Support Method to Apply User Interface Guidelines to GUIs Using Guideline Templates

    Junko Shirogane, Kazuya Sugiuchi, Hajime Iwata, Yoshiaki Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING, JCKBSE 2014   466   673 - 687  2014  [Refereed]

     View Summary

    To realize layout consistency and operability of Graphical User Interfaces (GUIs), user interface guidelines (UI guidelines) are common. Currently, UI guidelines vary by platform (e. g., operating systems and desktop systems) and even by company. Although UI guidelines must be applied to GUIs, applying them is burdensome for software developers because UI guidelines contain many detailed guideline elements. To reduce this burden, we previously proposed a method to apply user interface guidelines to GUIs. However, this method targets specific UI guidelines. Hence to apply diverse UI guidelines, unified descriptions of guideline elements and mechanisms to automatically apply guideline elements to GUIs must be developed. In this paper, we propose templates to describe guideline elements of various UI guidelines and a method to automatically apply guideline elements to GUIs. The proposed method can support the development of new guideline elements.

    DOI

    Scopus

  • Using an Automatic Collection Method to Identify Patterns during Design Activity

    Jonatan Hernandez, Hironori Washizaki, Yoshiaki Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING, JCKBSE 2014   466   491 - 504  2014  [Refereed]

     View Summary

    Although design is an extremely important activity in software development, it is subjective because it depends on the designers' knowledge and skills. Every designer has her or his own strategies to solve design problems. Herein we model the design process as an ordered sequence of logical actions of "Create", "Delete", and "Modify" applied to the elements of a UML class diagram, and propose an automatic approach to collect information about the design process to elucidate design strategies. The strategies considered are top-down, bottom-up, breadthfirst, depth-first, and opportunistic. By mining the ordered sequences of actions for frequent patterns and analyzing the position and distribution of the actions in the sequence, we obtained two types of relationships in the design process: micro-patterns and macro-patterns. Then we evaluated our approach with two case studies. The first one, which occurred over a short time frame with seven subjects, identified the strategies used, while the second, which involved three subjects over a long period, revealed that there is not a universal strategy, but a combination of strategies.

    DOI

    Scopus

  • HoppingDuster: Self-adaptive cleaning robot based on aerial vehicle

    Kenji Tei, Shunichiro Suenaga, Shun Lee, Kazuya Aizawa, Ryuichi Takahashi, Yoshiaki Fukazawa

    UbiComp 2014 - Adjunct Proceedings of the 2014 ACM International Joint Conference on Pervasive and Ubiquitous Computing     271 - 274  2014  [Refereed]

     View Summary

    Home cleaning robots have become popular. Most of the home cleaning robots are based on ground vehicles. While the cleaning robots based on ground vehicles can vacuum or wash floors robustly and efficiently, but they only clean on floors, not on stairs or furnitures. In this demo, we show a new concept of cleaning robot, called HoppingDuster. HoppingDuster is based on an aerial vehicle, which can y to stairs or furnitures to be cleaned, and hop or hover to wipe or blow down dust on them toward the floor so that the ground cleaning robot can vacuum the dust. HoppingDuster adapts its behavior to finish it cleaning within designated time and battery capacity.

    DOI

    Scopus

    1
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  • A Gamified Tool for Motivating Developers to Remove Warnings of Bug Pattern Tools

    Satoshi Arai, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    2014 6TH INTERNATIONAL WORKSHOP ON EMPIRICAL SOFTWARE ENGINEERING IN PRACTICE (IWESEP 2014)     37 - 42  2014  [Refereed]

     View Summary

    Static analysis tools such as bug pattern tools are useful to detect bugs early in software development. However, existing tools sometimes yield so many warnings that developers tend to ignore such warnings.
    To deal with this problem, we propose a gamified tool for motivating developers to remove such warnings. Our tool employs the gamification technique that calculates points by counting removed warnings with respect to each developer and each team. The points give developers feedback and urge them to compete with each other. We confirmed that developers removed about 150% warnings with our tool in comparison with the case where they did not use our tool through an experiment.

    DOI

    Scopus

    38
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  • Toward A Portability Framework with Multi-Level Models for Wireless Sensor Network Software

    Ryo Shimizu, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    2014 INTERNATIONAL CONFERENCE ON SMART COMPUTING (SMARTCOMP)     253 - 260  2014  [Refereed]

     View Summary

    Wireless sensor networks (WSNs) play important roles in systems that interact with the real world (e.g., cyber-physical systems and internet of things). To mitigate the complex nature of WSNs, many platforms at different abstraction levels (e.g., abstraction of hardware, communications, and individual nodes) have been proposed in the last decade. WSNs in different environments might employ different platforms to satisfy nonfunctional requirements (NFRs) because the diversity of platforms results in trade-offs of NFRs and the quality of WSN heavily depends on the environment it runs. Although WSN software should be highly portable, existing approaches only support porting between operating systems and not more abstract middleware. Herein we propose a methodology with a framework to capture various platforms in the WSN domain with platform-independent multi-level models. A case study demonstrates that our framework can port WSN software to platforms at different abstraction levels and adapt the software to the new platform to improve performance.

    DOI

    Scopus

    2
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  • Identifying Rationales of Strategies by Stakeholder Relationship Analysis to Refine and Maintain GQM plus Strategies Models

    Takanobu Kobori, Hironori Washizaki, Yoshiaki Fukazawa, Daisuke Hirabayashi, Katsutoshi Shintani, Yasuko Okazaki, Yasuhiro Kikushima

    PRODUCT-FOCUSED SOFTWARE PROCESS IMPROVEMENT, PROFES 2014   8892   78 - 92  2014  [Refereed]

     View Summary

    To achieve overall business goals, GQM+Strategies (R) is an approach that aligns the business goals at each level of an organization to strategies and assesses the achievement of goals. Strategies derived from business goals are based on rationales (contexts and assumptions). Because extracting all rationales is an important process in the GQM+Strategies approach, we propose Context-Assumption-Matrix (CAM), which refines the GQM+Strategies model by extracting rationales based on the analysis of the relationships between stakeholders, and the Context Assumption (C/A) definition template to unify the expressive style of contexts and assumptions. To demonstrate the effectiveness of CAM, we conducted an experiment involving 43 students majoring in information sciences at Shimane University in Japan. GQM+Strategies with CAM can extract rationales more efficiently and exhaustively than GQM+Strategies alone. Moreover, when the management policy or the business environment changes, GQM+Strategies with CAM can analyze the rationales and the GQM+Strategies model easily.

    DOI

    Scopus

    4
    Citation
    (Scopus)
  • Do Open Source Software Projects Conduct Tests Enough?

    Ryohei Takasawa, Kazunori Sakamoto, Akinori Ihara, Hironori Washizaki, Yoshiaki Fukazawa

    PRODUCT-FOCUSED SOFTWARE PROCESS IMPROVEMENT, PROFES 2014   8892   322 - 325  2014  [Refereed]

     View Summary

    Do open source software projects provide and maintain tests? What metrics are correlated with the test success? This paper answers these questions by executing tests of 452 open source software projects in GitHub and measuring 13 metrics from 77 projects. Only 117 projects passed all test cases. Additionally, the results are correlated with the comment density, public documented API density, and test coverage.

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • Predicting time range of development based on generalized software reliability model

    Kiyoshi Honda, Hidenori Nakai, Hironori Washizaki, Yoshiaki Fukazawa, Ken Asoh, Kazuyoshi Takahashi, Kentarou Ogawa, Maki Mori, Takashi Hino, Yosuke Hayakawa, Yasuyuki Tanaka, Shinichi Yamada, Daisuke Miyazaki

    Proceedings - Asia-Pacific Software Engineering Conference, APSEC   1   351 - 358  2014  [Refereed]

     View Summary

    Development environments have changed drastically, development periods are shorter than ever and the number of team members has increased. These changes have led to difficulties in controlling the development activities and predicting when the development will end. Especially, quality managers try to control software reliability and project managers try to estimate the end of development for planing developing term and distribute the manpower to other developments. In order to assess recent software developments, we propose a generalized software reliability model (GSRM) based on a stochastic process, and simulate developments that include uncertainties and dynamics. We also compare our simulation results to those of other software reliability models. Using the values of uncertainties and dynamics obtained from GSRM, we can evaluate the developments in a quantitative manner. Additionally, we use equations to define the uncertainty regarding the time required to complete a development, and predict whether or not a development will be completed on time. We compare GSRM with an existing model using two old actual datasets and one new actual dataset which we collected, and show that the approximation curve generated by GSRM is about 12% more precise than that generated by the existing model. Furthermore, GSRM can narrow down the predicted time range in which a development will end to less than 40% of that obtained by the existing model.

    DOI

    Scopus

    12
    Citation
    (Scopus)
  • A tool to suggest similar program element modifications

    Yujiang Yang, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings - Asia-Pacific Software Engineering Conference, APSEC   1   311 - 318  2014  [Refereed]

     View Summary

    Many program tasks require continuous modification of similar program elements, which is burdensome on programmers because continuous modifications are time consuming and some modifications are easily overlooked. To resolve this issue, we developed a tool, named SimilarHighlight, which extracted all possible matching elements via similarity patterns from recently modified elements using a sub syntax tree comparison. SimilarHighlight suggests similar program elements that may be modified during the next modification. Potential elements are highlighted and their text can be immediately selected by shortcut keys. Evaluations indicate that SimilarHighlight can improve programming productivity. Currently, SimilarHighlight supports C, C#, JAVA, JavaScript, and PHP, but in the future we will expand it to other languages.

    DOI

    Scopus

  • Initial industrial experience of gqm-based product-focused project monitoring with trend patterns

    Hidenori Nakai, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Ken Asoh, Kaz Takahashi, Kentarou Ogawa, Maki Mori, Takashi Hino, Yosuke Hayakawa, Yasuyuki Tanaka, Shinichi Yamada, Daisuke Miyazaki

    Proceedings - Asia-Pacific Software Engineering Conference, APSEC   2   43 - 46  2014  [Refereed]

     View Summary

    It is important for project stakeholders to identify the states of projects and quality of products. Although metrics are useful for identifying them, it is difficult for project stakeholders to select appropriate metrics and determine the purpose of measuring metrics. We propose an approach that defines the measured metrics by GQM method to identify tendency in projects and products based on Trend Pattern. Additionally, we implement a tool as a Jenkins Plugin to visualize an evaluation results based on GQM method. We perform an industrial case study, which objects are two software development projects. In our industrial case study, we can identify the problem that product contains. As our future work, we will adopt our approach and GQM Plugin to software development project continuously to assess their effectiveness in the long term.

    DOI

    Scopus

    9
    Citation
    (Scopus)
  • Continuous product-focused project monitoring with trend patterns and GQM

    Hidenori Nakai, Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa, Ken Asoh, Kaz Takahashi, Kentarou Ogawa, Maki Mori, Takashi Hino, Yosuke Hayakawa, Yasuyuki Tanaka, Shinichi Yamada, Daisuke Miyazaki

    Proceedings - Asia-Pacific Software Engineering Conference, APSEC   2   69 - 74  2014  [Refereed]

     View Summary

    It is important for project stakeholders to identify the states of projects and quality of products. Although metrics are useful for identifying them, it is difficult for project stakeholders to select appropriate metrics and determine the purpose of measuring metrics. We propose an approach that defines the measured metrics by GQM method, and supports identifying tendency in projects and products based on Trend Pattern. Additionally, we implement a tool as a Jenkins Plugin which to visualizes an evaluation results based on GQM method. We perform an experiment with OSS and industrial case study with two software development projects. In our experiment, we can identify the problem and project tendency. In our industrial case study, we can also identify the problem that project contains. As our future work, we will adopt our approach and GQM Plugin to software development project continuously to assess their effectiveness in the long term.1.

    DOI

    Scopus

    2
    Citation
    (Scopus)
  • Refactoring Script: A Script for Composite Refactoring and Its Processor

    Tomoyuki Kamiya, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

      6 ( 3 ) 33 - 45  2013.12

     View Summary

    Refactoring has been recognized widely as the way to improve the internal qualities of source codes. Because manual refactorings is time-consuming and error prone, many tools supporting automated refactoring have been suggested. However, because these tools are only for supporting a unit and simple refactoring, it is difficult to preform complicated refactorings such as a introduction of a design pattern. That is, it is difficult to apply a set of combined refactorings or to apply refactorings multiple times to multiple positions. In this research, we propose the script language and its interpreter that can describe how and where to refactor by using a model expressing source codes. From the results of evaluations, we concluded that our language and interpreter allow users to describe the steps of refactorings as scripts, replay and reuse them simply for multiple projects.

    CiNii

  • An Empirical Study of Open Source Projects based on Measurement Metrics

    Ryohei Takasawa, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

        197 - 202  2013.11  [Refereed]

  • ゲーミフィケーションを用いたバグパターンによる欠陥除去の促進

    新井 慧, 坂本 一憲, 鷲崎 弘宜, 深澤 良彰

    第20回 ソフトウェア工学の基礎ワークショップ FOSE 2013 in 加賀    2013.11  [Refereed]

  • ホワイトボックス単体テストにおけるペアテスティング

    坂本 一憲, 本田 澄, 鷲崎 弘宜, 深澤 良彰

    第20回 ソフトウェア工学の基礎ワークショップ FOSE 2013 in 加賀    2013.11  [Refereed]

  • 責務の割り当てに着目した設計クラス図の機能性・保守性評価

    津田 直彦, 鷲崎 弘宜, 深澤 良彰

    第20回 ソフトウェア工学の基礎ワークショップ FOSE 2013 in 加賀    2013.11  [Refereed]

  • メトリクス測定に基づくオープンソースプロジェクトにおける実証的研究

    高澤 亮平, 坂本 一憲, 鷲崎 弘宜, 深澤 良彰

    第20回 ソフトウェア工学の基礎ワークショップ FOSE 2013 in 加賀    2013.11  [Refereed]

  • Learning System for Computational Thinking using Appealing User Interface with Icon-Based Programming Language on Smartphones

    Kazunori Sakamoto, Koichi Takano, Hironori Washizaki, Yoshiaki Fukazawa

    21st International Conference on Computers in Education    2013.11  [Refereed]

  • Extending Pattern Languages Employed Structuring Pattern

    NAKANO Toshiyuki, KADOYA Masashi, SUZUKI Shota, WASHIZAKI Hironori, FUKAZAWA Yoshiaki, HANYUDA Eiichi, MOTOHASHI Masanari, MIKAMI Tetsuya

    The IEICE transactions on information and systems (Japanese edition)   96 ( 11 ) 2705 - 2709  2013.11

    CiNii

  • A Pattern Language for the ET Robot Contest: On Embedded Software Engineering

    Masashi Kadoya, Toshiyuki Nakano, Takamori Ozawa, Masahiko Wada, Hiroki Itoh, Hironori Washizaki, Yoshiaki Fukazawa

    20th Conference on Pattern Languages of Programs    2013.10  [Refereed]

  • Support Method of Accessibility Evaluation for Web Sites with JavaScript

    OHARA Tamaki, IWATA Hajime, SHIROGANE Junko, FUKAZAWA Yoshiaki

    Technical report of IEICE. KBSE   113 ( 277 ) 53 - 58  2013.10

     View Summary

    Accessibility guidelines provide methods to make Web sites accessible for handicapped people using assistive technology. However, guidelines have large contents, therefore great cost and efforts are required to apply guidelines to Web contents. In our research, we propose a method for automatically evaluating accessibility of Rich Internet Application, especially MA using JavaScript. Using our method, it is easy to reduce developers' efforts and cost to apply guidelines to Web sites.

    CiNii

  • プログラミング初学者向けコンテストシステム

    坂本一憲, 鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会第30回大会     1 - 8  2013.09

  • Systematic Mapping of Workshops for Learning Agile Software Development Principles

    Hironori Washizaki, Shota Suzuki, Ryushi Shiohama, Masashi Kadoya, Kazunori Sakamoto, Yoshiaki Fukazawa

    the International Conference on Edcuation and Educational Research    2013.08  [Refereed]

  • B-019 Documentation methods for burying gaps among requirements, design and test phases

    Kushiro Noriyuki, Komiya Noriyuki, Fukazawa Yoshiaki

      12 ( 1 ) 261 - 262  2013.08

    CiNii

  • B-018 A Design Support Tool to Ensure Consistency of Functional Specifications using Semi-Formal Methods

    Komiya Noriyuki, Kushiro Noriyuki, Fukazawa Yoshiaki

      12 ( 1 ) 257 - 260  2013.08

    CiNii

  • Network analysis for Software Patterns in Portland Pattern Repository

    Washizaki Hironori, Kawamura Takeshi, Kadoya Masashi, Fukazawa Yoshiaki

    Technical report of IEICE. KBSE   113 ( 160 ) 31 - 36  2013.07

     View Summary

    We applied the technique of network analysis to collection site Portland Pattern Repository (henceforth, PPR) of the software pattern, and centrality was calculated. And the feature of the relation between software patterns was clarified. Moreover, metrics analysis was conducted about the history information of each software pattern. As a result, The degree centrality of the frequently-used software pattern was high value. This is useful to select a software pattern and the extraction of a new software pattern.

    CiNii

  • Comparative Evaluation of Programming Paradigm: Separation of Concerns with Object-, Aspect-, and Context-Oriented Programming

    Fumiya Kato, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    24th International Conference on Software Engineering and Knowledge Engineering     594 - 599  2013.06  [Refereed]

  • Extended Design Patterns in New Object-Oriented Programming Languages

    Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    24th International Conference on Software Engineering and Knowledge Engineering    2013.06  [Refereed]

  • A Generalized Software Reliability Model Including Uncertainty and Dynamics in Development

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

      2013 ( 8 ) 1 - 8  2013.05

     View Summary

    Development environments have changed drastically in recent years. The development periods are shorter than ever and the number of team has increased. These changes have led to difficulties in controlling the development activities and predicting the end of developments. In order to assess recent software developments, we propose a generalized software reliability model based on a stochastic process, and simulate developments that include uncertainties and dynamics, such as unpredictable requirements changes, shortening of the development period, and decrease in the number of members. We also compare our simulation results to those of other software reliability models. Using the values of uncertainties and dynamics obtained from our model, we can evaluate the developments in a quantitative manner.

    CiNii

  • Vimエディタ上でのキー入力解析による入力短縮化方法の学習を支援するツールの構築

    杉本元気, 坂本一憲, 鷲崎 弘宜, 深澤良彰

    情報処理学会 第75回全国大会     1437 - 1438  2013.03

  • オブジェクトおよびアスペクト指向プログラミング言語との比較実験を通した新しいコンテキスト指向プログラミング言語の提案

    加藤史也, 坂本一憲, 鷲崎 弘宜, 深澤良彰

    情報処理学会 第75回全国大会     1355 - 1356  2013.03

     View Summary

    卒業論文認定

  • テスト貢献度に基づくゲーミフィケーションを用いた教育用ソフトウェアテストツールの提案

    髙澤亮平, 坂本一憲, 鷲崎 弘宜, 深澤良彰

    情報処理学会 第75回全国大会     1427 - 1428  2013.03

  • ゲーミフィケーションを用いた欠陥パターンによる欠陥除去を促進する手法の提案

    新井慧, 坂本一憲, 鷲崎 弘宜, 深澤良彰

    情報処理学会 第75回全国大会     1447 - 1448  2013.03

  • A pattern language for ET robot contests

    Masashi Kadoya, Toshiyuki Nakano, Takanori Ozawa, Masahiko Wada, Hiroki Itoh, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of 1st Indian Conference on Pattern Languages of Programs (GuruPLoP 2013)     1 - 9  2013.03  [Refereed]

  • JavaScriptを使用したHTMLのアクセシビリティ評価支援

    大原圭木, 岩田一, 白銀純子, 深澤良彰

    情報処理学会第75回全国大会    2013.03

  • GUI Generation Based on User Interface Guidelines

    Kazuya Sugiuchi, Junko Shirogane, Hajime Iwata, Yoshiaki Fukazawa

    IADIS International Conference Information Systems 2013,    2013.03

  • Multiple Programming Languages Support Customizable Bug Localization Framework

    SHIMOJO Kiyofumi, SAKAMOTO Kazunori, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    Technical report of IEICE. SS   112 ( 458 ) 45 - 50  2013.02

     View Summary

    Bug localization technique is effectual approach for locating software bugs using the number of failing and passing test cases that execute the statement. However, existing bug localization tools only support one type of programming languages and one type of suspiciousness metrics. In this paper, We presents customizable bug localization framework supporting multiple programming languages and multiple suspiciousness metrics. By apply each suspiciousness metrics to multiple programming languages and comparing, we show the availability of our proposed.

    CiNii

  • UNICOEN: 複数プログラミング言語対応のソースコード処理フレームワーク

    坂本 一憲, 大橋 昭, 太田 大地, 鷲崎 弘宜, 深澤 良彰

    情報処理学会論文誌, 特集「ソフトウェア工学」   54 ( 2 ) 945 - 960  2013.02

  • Traceability Measurement between a Design Model and its Source Code

    Hiroki Itoh, Hiroyuki Tanabe, Rieko Namiki, Hironori Washizaki, Yoshiaki Fukazawa

    12th IASTED International Conference on Software Engineering (SE 2013)     1 - 6  2013.02

  • 派生プロダクト群における要求・実装間のトレーサビリティリンク抽出

    土屋 良介, 鷲崎 弘宜, 深澤 良彰

    情報処理学会ソフトウェア工学研究会 ウィンターワークショップ2014・イン・那須    2013  [Refereed]

  • アジャイルモデルの習得におけるワークショップの有効性の分析

    鈴木 翔大, 塩浜 龍志, 角谷 将司, 鷲崎 弘宜, 深澤 良彰

    情報処理学会ソフトウェア工学研究会 ウィンターワークショップ2014・イン・那須,    2013  [Refereed]

  • Systematic Mappingを用いたアジャイルワークショップの分析

    鷲崎 弘宜, 鈴木 翔大, 塩浜 龍志, 角谷 将司, 深澤 良彰

    情報処理学会ソフトウェア工学研究会 ウィンターワークショップ2013・イン・那須    2013  [Refereed]

  • パターンの構造化に基づくパターン・ランゲージの拡充

    中野 聡之, 角谷 将司, 鷲崎 弘宜, 深澤 良彰

    情報処理学会ソフトウェア工学研究会 ウィンターワークショップ2013・イン・那須    2013  [Refereed]

  • Modeling dependability of IT services associated with social and economic infrastructure including healthcare

    Hiroshi Ohtaka, Yoshiaki Fukazawa

    Smart Sensors, Measurement and Instrumentation   2   297 - 313  2013  [Refereed]

     View Summary

    Information technology (IT) services have been applied to mission critical businesses such as financial firms or telecommunication firms. And more applications are expected for IT supporting social and economic infrastructures, particularly those for healthcare in the future. However, defects in IT services will have greater negative impacts on social and economic activities in the future, since the risks of such defects are increasing due to their wider applications and the growth of IT systems’ complexity and scale. In this chapter, upon surveying the current state of affairs and seeing that little progress has been made towards understanding and reducing defects in IT services that influence social and economic activities, despite a number of efforts including upgrading software and hardware quality, we propose a new approach to understanding and managing the dependability of IT services by discussing a dependability model. The model consists of not only functions for legacy system dependability but also two types of functions (additional safety and safety operation). Next we evaluate the efficacy of these two types of functions relative to IT dependability, both qualitatively and quantitatively, by using 42 actual cases of IT accidents obtained by the Informationtechnology Promotion Agency, Japan. Moreover, based on the verification, we examine the ways in which improvement of IT dependability associated with social and economic infrastructure, previously dependent on the skill of individual engineers, is eventually achieved as a result of organizational activities.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Relationships between Team Organization and Education Effects in Practical Lecture on Information Systems Development

    INAGA Shota, WASHIZAKI Hironori, YOSHIDA Yusuke, KAKEHI Katsuhiko, FUKAZAWA Yoshiaki, YAMATO Shoso, OKUBO Masashi, TAMAKI Manabu

    Journal of Jsee   61 ( 5 ) 5_88 - 5_93  2013

     View Summary

    In practical lectures on software intensive business systems, we do not yet have an established method for determining what kind of personal characteristics and team compositions are most beneficial to obtaining the maximal educational effectiveness. Here, we propose a framework for analyzing the effects of personal characteristics of team members on educational effectiveness. We also apply the framework to an actual practical lecture. As a result, we find that it is better for a team to have members with a similar degree of tendency of conservative for acquiring more knowledge and skills and the team members have similar characteristics of progressive or conservative. It is expected that in similar practical lectures, we can also obtain the desired educational effectiveness if we can compose a team with the suitable characteristics as based on our findings.

    CiNii

  • トレーサビリティリンク回復を通じたトレーサビリティ測定と改善支援

    伊藤 弘毅, 田邊 浩之, 波木 理恵子, 鷲崎 弘宜, 深澤 良彰

    コンピュータ・ソフトウェア   30 ( 3 ) 3_123 - 3_129  2013

     View Summary

    As traceability is a factor in software maintainability, various methods have been reported to preserve it. However, perception of traceability tends to be subjective because there is no indicator which represents the degree of it. We propose an approach to measure traceability between a design model described in UML and source code written in object-oriented language. In detail, our approach maps a design to its implementation with the semi-automatic original algorithm and measures traceability with the Goal-Question-Metric approach. We apply the approach to pairs of a design model and source code and find that the degree of traceability can be presumed with a little work even by a third person.

    CiNii

  • Web accessibility support for visually impaired users using link content analysis

    Hajime Iwata, Naofumi Kobayashi, Kenji Tachibana, Junko Shirogane, Yoshiaki Fukazawa

    SPRINGERPLUS   2  2013  [Refereed]

     View Summary

    Web pages are used for a variety of purposes. End users must understand dynamically changing content and sequentially follow page links to find desired material, requiring significant time and effort. However, for visually impaired users using screen readers, it can be difficult to find links to web pages when link text and alternative text descriptions are inappropriate. Our method supports the discovery of content by analyzing 8 categories of link types, and allows visually impaired users to be aware of the content represented by links in advance. This facilitates end users access to necessary information on web pages. Our method of classifying web page links is therefore effective as a means of evaluating accessibility.

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • Research on the clustering towards the improvement in conservativeness of a Simulink model, and bidirectional conversion with an UML model

    OZAWA Takayuki, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    Technical report of IEICE. SS   112 ( 373 ) 49 - 53  2013.01

     View Summary

    Simulink model is suitable for embedded software development. On the other hand, it is difficult to fix, often tend to be large and complicated model. Understandability of the model is low abstraction is dependent on developers by subsystem, the model. Therefore, we conducted an appropriate abstraction aims to improve the maintainability of the Simulink model to apply the clustering method does not depend on the developer. In addition, we propose a two-way conversion of Simulink models and UML models. By converting to static and dynamic model of the UML model, to improve the understanding and clarifying the responsibilities. And to maintain the correspondence between the model in two-way conversion.

    CiNii

  • 要求定義段階のモデルからのシナリオ生成

    後藤健太, 小形真平, 白銀純子, 中谷多哉子, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2013・イン・那須   2013   63 - 64  2013.01

    CiNii

  • POGen: A Test Code Generator Based on Template Variable Coverage in Gray-Box Integration Testing for Web Applications

    Kazunori Sakamoto, Kaizu Tomohiro, Daigo Hamura, Hironori Washizaki, Yoshiaki Fukazawa

    FUNDAMENTAL APPROACHES TO SOFTWARE ENGINEERING, FASE 2013   7793   343 - 358  2013  [Refereed]

     View Summary

    Web applications are complex; they consist of many subsystems and run on various browsers and platforms. This makes it difficult to conduct adequate integration testing to detect faults in the connections between subsystems or in the specific environments. Therefore, establishing an efficient integration testing method with the proper test adequacy criteria and tools is an important issue.
    In this paper, we propose a new test coverage called template variable coverage. We also propose a novel technique for generating skeleton test code that includes accessor methods and improves the template variable coverage criterion, using a tool that we developed called POGen. Our experiments show that template variable coverage correlates highly with the capability to detect faults, and that POGen can reduce testing costs.

  • OCCF: A framework for developing test coverage measurement tools supporting multiple programming languages

    Kazunori Sakamoto, Kiyofumi Shimojo, Ryohei Takasawa, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings - IEEE 6th International Conference on Software Testing, Verification and Validation, ICST 2013     422 - 430  2013

     View Summary

    Although many programming languages and test coverage criteria currently exist, most coverage measurement tools only support select programming languages and coverage criteria. Consequently, multiple measurement tools must be combined to measure coverage for software which uses multiple programming languages such as web applications. However, such combination leads to inconsistent and inaccurate measurement results.In this paper, we describe a consistent and flexible framework for measuring coverage supporting multiple programming languages, called Open Code Coverage Framework (OCCF). OCCF allows users to add new extensions for supporting programming languages and coverage criteria with low development costs. To evaluate the effectiveness of OCCF, sample implementation to support statement coverage and decision coverage for eight programming languages (C, C++, C#, Java, JavaScript, Python, Ruby and Lua) are demonstrated. Additionally, applications of OCCF for localizing faults and minimizing tests are shown. © 2013 IEEE.

    DOI

    Scopus

    6
    Citation
    (Scopus)
  • Team Characteristics for Maximizing the Educational Effectiveness of Practical Lectures on Software Intensive Systems Development

    Shota Inaga, Hironori Washizaki, Yusuke Yoshida, Katsuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Teruhiko Kume, Manabu Tamaki, Toshikazu Kanou

    2013 IEEE 26TH INTERNATIONAL CONFERENCE ON SOFTWARE ENGINEERING EDUCATION AND TRAINING (CSEE&T)     264 - 268  2013  [Refereed]

     View Summary

    In practical lectures on software intensive business systems, we do not yet have an established method for determining what kind of personal characteristics and team compositions are most beneficial to obtaining the maximal educational effectiveness. Here, we propose a framework for analyzing the effects of personal characteristics of team members on educational effectiveness. We also apply the framework to an actual practical lecture. As a result, we find that it is better for a team to have members with a similar degree of tendency of conservative for acquiring more knowledge and skills and the team members have similar characteristics of progressive or conservative. It is expected that in similar practical lectures, we can also obtain the desired educational effectiveness if we can compose a team with the suitable characteristics as based on our findings.

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • Goal-Oriented Requirements Analysis and an Extended Design Pattern using Scala for Artificial Intelligence Programming Contests

    Kazunori Sakamoto, Hiroaki Hosono, Seiji Sato, Hironori Washizaki, Yoshiaki Fukazawa

    2013 3RD INTERNATIONAL WORKSHOP ON GAMES AND SOFTWARE ENGINEERING: ENGINEERING COMPUTER GAMES TO ENABLE POSITIVE, PROGRESSIVE CHANGE (GAS)     32 - 35  2013  [Refereed]

     View Summary

    An artificial intelligence programming contest with game software is one of the most effective way of learning programming. Contestants can spontaneously learn programming to win in such contests. Although our previous work helps to hold artificial intelligence programming contests, its effectiveness is limited owing to an insufficient requirement analysis and uses of an unrefined design pattern.
    In this paper, we report on ACM JavaChallenge 2012, that is an artificial intelligence programming contest. we elicit requirements on a contest with a goal-oriented requirements analysis and extend the state design pattern using Scala to hold JavaChallenge 2012. We evaluate JavaChallenge 2012 very highly by questionnaire investigation.

    DOI

    Scopus

    1
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  • Intention-based automated composition approach for coordination protocol

    Ryuichi Takahashi, Fuyuki Ishikawa, Kenji Tei, Yoshiaki Fukazawa

    Proceedings - IEEE 20th International Conference on Web Services, ICWS 2013     260 - 267  2013  [Refereed]

     View Summary

    In systems that require several services to collaborate, specifying coordination protocols is vital, but costly. Additionally, several properties, which are derived from laws, regulations, requirements, etc., must be satisfied. Coordination protocol composition approaches construct specific protocols in a cost effective manner in accordance with the composition intentions. However, existing composition approaches are insufficient in terms of satisfying properties. Existing approaches use concrete specifications to identify composition intentions and do not consider interference between compositions. Herein we propose a new composition approach in which a developer directly expresses his or her intentions as constraints via metadata, and then the system searches for optimal composition methods based on the constraints. © 2013 IEEE.

    DOI

    Scopus

  • A Generalized Software Reliability Model Considering Uncertainty and Dynamics in Development

    Kiyoshi Honda, Hironori Washizaki, Yoshiaki Fukazawa

    PRODUCT-FOCUSED SOFTWARE PROCESS IMPROVEMENT   7983   342 - 346  2013  [Refereed]

     View Summary

    Development environments have changed drastically in recent years. The development periods are shorter than ever and the number of team has increased. These changes have led to difficulties in controlling the development activities and predicting the end of developments. In order to assess recent software developments, we propose a generalized software reliability model based on a stochastic process, and simulate developments that include uncertainties and dynamics, such as unpredictable requirements changes, shortening of the development period, and decrease in the number of members. We also compare our simulation results to those of other software reliability models. Using the values of uncertainties and dynamics obtained from our model, we can evaluate the developments in a quantitative manner.

    DOI

    Scopus

    6
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  • Recovering traceability links between requirements and source code in the same series of software products

    Ryosuke Tsuchiya, Tadahisa Kato, Hironori Washizaki, Masumi Kawakami, Yoshiaki Fukazawa, Kentaro Yoshimura

    ACM International Conference Proceeding Series     121 - 130  2013  [Refereed]

     View Summary

    If traceability links between requirements and source code are not clarified when conducting maintenance and enhancements for the same series of software products, engineers cannot immediately find the correction location in the source code for requirement changes. However, manually recovering links in a large group of products requires significant costs and some links may be overlooked. Here, we propose a semi-automatic method to recover traceability links between requirements and source code in the same series of large software products. In order to support differences in representation between requirements and source code, we recover links by using the configuration management log as an intermediary. We refine the links by classifying requirements and code elements in terms of whether they are common or specific to the products. As a result of applying our method to real products that have 60KLOC, we have recovered valid traceability links within a reasonable amount of time. Automatic parts have taken 13 minutes 36 seconds, and non-automatic parts have taken about 3 hours, with a recall of 76.2% and a precision of 94.1%. Moreover, we recovered some links that were unknown to engineers. By recovering traceability links, software reusability will be improved, and software product line introduction will be facilitated. © 2013 ACM.

    DOI

    Scopus

    15
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  • Analyzing effectiveness of workshops for learning agile development principles

    Shota Suzuki, Ryushi Shiohama, Masashi Kadoya, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    2013 AGILE CONFERENCE (AGILE)     50 - 59  2013  [Refereed]

     View Summary

    Workshops are sometimes known as effective ways to learn the human and social factors of software engineering. However, their effectiveness in learning agile development principles in particular has not yet been determined, despite the fact that numerous agile development workshops have been held over the years. In this paper, we analyze the effectiveness of agile development workshops through an experiment, and show that one of representative workshops is indeed effective at learning agile principles. Self-study is another commonly used method to learn something new. Therefore, we compare the effectiveness of workshops with that of self-study to better illustrate the effectiveness of agile development workshops. In our experiment, we examine 7 workshop subjects and 8 self-study subjects, and compare their scores on the agile mind check, which is a method used to measure their degree of mastery of agile principles. As a result, we demonstrate the effectiveness of agile development workshops, especially those that simulate actual experiences. We also show that one of workshops is more effective than self-study regarding the agile mind check score.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Validating security design patterns application using model testing

    Takanori Kobashi, Nobukazu Yoshioka, Takao Okubo, Haruhiko Kaiya, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings - 2013 International Conference on Availability, Reliability and Security, ARES 2013     62 - 71  2013  [Refereed]

     View Summary

    Software developers are not necessarily security specialists, security patterns provide developers with the knowledge of security specialists. Although security patterns are reusable and include security knowledge, it is possible to inappropriately apply a security pattern or that a properly applied pattern does not mitigate threats and vulnerabilities. Herein we propose a method to validate security pattern applications. Our method provides extended security patterns, which include requirement- and design-level patterns as well as a new model testing process using these patterns. Developers specify the threats and vulnerabilities in the target system during an early stage of development, and then our method validates whether the security patterns are properly applied and assesses whether these vulnerabilities are resolved. © 2013 IEEE.

    DOI

    Scopus

    10
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  • Effects of organizational changes on product metrics and defects

    Seiji Sato, Hironori Washizaki, Yoshiaki Fukazawa, Sakae Inoue, Hiroyuki Ono, Yoshiiku Hanai, Mikihiko Yamamoto

    Proceedings - Asia-Pacific Software Engineering Conference, APSEC   1   132 - 139  2013  [Refereed]

     View Summary

    The development organization often changes during software development. Derivative developments, forks, and change of developers due to acquisition or open-sourcing are some conceivable situations. However, the impact of this change on software quality has yet to be elucidated. Herein we introduce the concept of origins to study the effects of organizational changes on software quality. A file's origin is defined as its creation and modification history. Using the concept of origins, we analyze two open source projects, OpenOffice and VirtualBox, which were each developed by a total of three organizations. We conduct statistical analysis to investigate the relationship between the origins, product metrics, the number of modifications, and defects. Results show that files that are created or modified by multiple organizations or by later organizations tend to be faultier due to the increase in complexity and modification frequency.

    DOI

    Scopus

    12
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  • Webアプリの動的部分に着目したグレーボックス統合テストとテンプレート変数カバレッジの提案

    坂本一憲, 海津智宏, 波村大悟, 鷲崎弘宜, 深澤良彰

    第19回 ソフトウェア工学の基礎ワークショップ(FOSE 2012) in 湯布院     131 - 140  2012.12

  • DePoT: Webアプリケーションテストにおけるテストコード自動生成テスティングフレームワーク

    青井翔平, 坂本一憲, 鷲崎弘宜, 深澤良彰

    第19回 ソフトウェア工学の基礎ワークショップ(FOSE 2012) in 湯布院     121 - 130  2012.12

  • ユーザビリティ向上に向けた要求定義段階におけるGUIプロトタイプ構築

    柴田博成, 白銀純子, 岩田一, 深澤良彰

    第19回ソフトウェア工学の基礎ワークショップ FOSE 2012 in 湯布院    2012.12

  • A Framework for Web Services Integration with Dynamic Use of Clouds

    TSURUMI Naoki, ISHIKAWA Fuyuki, HONIDEN Shinichi, FUKAZAWA Yoshiaki

    IEICE technical report. SC, Services Computing   112 ( 299 ) 25 - 30  2012.11

     View Summary

    Dynamic integration of Web services has been studied actively, and description and execution languages for services integration are widely used. Services integration is executed across multiple clouds. However, the WS-BPEL standard assumes that the integration is executed on a centralized engine, thus the network latency problem occurs when the target data is very large. We propose a cloud control framework for services integration to reduce the latency, by applying dynamic deployment of service components onto adequate clouds. We separate clouds control and component deployment behavior from the integration flow and represent them as rules to append integration logic. This separation enables to add and modify the behavior easily without modifying the integration logic.

    CiNii

  • 派生プロダクト群における要求・実装間のトレーサビリティ抽出

    土屋良介, 鷲崎弘宜, 深澤良彰, 加藤正恭, 川上真澄, 吉村健太郎

    電子情報通信学会ソフトウェアサイエンス研究会, 信学技報, vol. 112, no. 275, SS2012-44    2012.11

  • Ajaxアプリケーションの保守容易性推測のためのソフトウェアメトリクス

    平山祐資, 小野康一, 深澤良彰

    情報処理学会ソフトウェア工学研究会, Vol.2012-SE-178, No.23     1 - 8  2012.11

  • Extraction traceability links between requirements and implementation in the same series of software products

    Tsuchiya Ryosuke, Washizaki Hironori, Fukazawa Yoshiaki, Kato Tadahisa, Kawakami Masumi, Yoshimura Kentaro

    Technical report of IEICE. SS   112 ( 275 ) 123 - 128  2012.10

     View Summary

    When performing maintenance and expansion for the group of products derived, it is important to clarify traceability between requirements and implementation. However, for the large group of products, these tasks manually are difficult. First, we analyze commonality and variability in requirements and source codes. Next, using the configuration management log, we analyze the correspondence of those results. Finally, using the results of this study, we propose a method to extract traceability links between requirements and implements automatically. Result of applying the proposed method to derived products group of a certain size. we were able to extract the appropriate traceability links in a practical time.

    CiNii

  • Towards software metrics to evaluate maintainability for measuring Ajax application software

    Yusuke Hirayama, Kouichi Ono, Yoshiaki Fukazawa

    IPSJ SIG Notes   2012 ( 24 ) 1 - 8  2012.10

     View Summary

    We are working on software metrics to measure maintainability of Ajax application software. There are a number of previous studies about software maintainability metrics of classical Web application software. However, they do not consider characteristic properties of Ajax application software. We obtained concrete maintenance data by observing and recording the progress of iterative modifications on an actual Ajax application software through the software development process. It is expected that the software maintainability changes through the iterative modifications. We defined a suite of software maintainability metrics by a regression analysis based on those observed data.

    CiNii

  • Extraction traceability links between requirements and implementation in the same series of software products

    Ryosuke Tsuchiya, Hironori Washizaki, Yoshiaki Fukazawa, Tadahisa Kato, Masumi Kawakami, Kentaro Yoshimura

    IPSJ SIG Notes   2012 ( 20 ) 1 - 6  2012.10

     View Summary

    When performing maintenance and expansion for the group of products derived, it is important to clarify traceability between requirements and implementation. However, for the large group of products, these tasks manually are difficult. First, we analyze commonality and variability in requirements and source codes. Next, using the configuration management log, we analyze the correspondence of those results. Finally, using the results of this study, we propose a method to extract traceability links between requirements and implements automatically. Result of applying the proposed method to derived products group of a certain size, we were able to extract the appropriate traceability links in a practical time.

    CiNii

  • モデルテストによるセキュリティ分析・設計パターンの適用支援

    小橋 孝紀, 大久保 隆夫, 海谷 治彦, 吉岡 信和, 伊永 祥太, 鷲崎 弘宜, 深澤 良彰

    コンピュータセキュリティシンポジウム2012論文集   2012 ( 3 ) 655 - 662  2012.10

    CiNii

  • Analyzing Effect of Team Composition on Education in Practical Lecture of Information Systems Development

    Shota Inaga, Hironori Washizaki, Yusuke Yoshida, Kazuhiko Kakehi, Yoshiaki Fukazawa, Shoso Yamato, Masashi Okubo, Teruhiko Kume, Manabu Tamaki, Toshikazu Kanou

    6th International Conference on Project Management (ProMAC 2012)    2012.10

  • トレーサビリティリンク回復を通じたトレーサビリティ測定と改善支援

    伊藤 弘毅, 田邊 浩之, 波木 理恵子, 鷲崎 弘宜, 深澤 良彰

    コンピュータ・ソフトウェア   30 ( 3 ) 130 - 147  2012.08

  • 9-215 A Project-based Like Practical Education on Information Systems Planning and Development

    WASHIZAKI Hironori, YOSHIDA Yusuke, KAKEHI Kazuhiko, FUKAZAWA Yoshiaki, YAMATO Shoso, OKUBO Masashi

      24 ( 60 ) 460 - 461  2012.08

    CiNii

  • Ajaxアプリケーション保守容易性のメトリクス

    平山祐資, 小野康一, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2012(SES2012)    2012.08

  • Towards a Unified Source Code Measurement Framework Supporting Multiple Programming Languages

    Reisha Humaira, Kazunori Sakamoto, Akira Ohashi, Hironori Washizaki, Yoshiaki Fukazawa

    The 24th International Conference on Software Engineering and Knowledge Engineering (SEKE2012)    2012.07  [Refereed]

  • Graph-based Detection of Imperfect-Matching Clones in Simulink Models

    Washizaki Hironori, Murakami Shinichi, Fukazawa Yoshiaki

    Technical report of IEICE. KBSE   112 ( 165 ) 7 - 12  2012.07

     View Summary

    Simulink models represent program as block diagrams for usually control system design. In large scale models or a large number of models, duplicated parts called "clones" could reduces the maintainability of models. To overcome such issue, there are existing researches on detecting perfect-matching clones; however these researches are not adequate for detecting imperfect-matching clones made by some partial modifications after copied and pasted. We propose a technique for detecting imperfect-matching clones in Simulink models efficiently by combining the existing perfect-matching clone detection technique and a fast apriori-based graph mining algorithm. We implemented the proposed technique as a detection tool and confirmed that the tool can detect imperfect-matching tools by applying it to several control system models. It is expected that models could be easily maintained by detecting such clones by the technique, and recording and managing them.

    CiNii

  • Case Studies on the Development of Wireless Sensor Network Applications using Multiple Abstraction Levels

    Ryo Shimizu, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    3rd International Workshop on Software Engineering for Sensor Network Applications (SESENA '12)     22 - 28  2012.06  [Refereed]

    DOI

    Scopus

    1
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  • 2512 Relationship between Team Organization and Education Effects in Practical Lecture Course on Information Systems Development

    Washizaki Hironori, Yoshida Yusuke, Kakehi Kazuhiko, Fukazawa Yoshiaki, Yamato Shoso, Okubo Masashi, Kume Teruhiko, Tamaki Manabu, Kanou Toshikazu

    Proceedings ... national conference of the Society of Project Management   2012 ( 0 ) 387 - 392  2012.03

     View Summary

    We propose a framework for analyzing impact of team organization on education effects in practical lecture course on information systems development. Moreover we show the result of applying the framework to two lecture courses and several lessons learned.

    DOI CiNii

  • Fault-Localization that focuses on the program structure and debugging support

    SHIMOJO Kiyofumi, SAKAMOTO Kazunori, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    Technical report of IEICE. SS   111 ( 481 ) 97 - 102  2012.03

     View Summary

    Fault localization is the techniques that estimates location of bugs causing the test failure using test results. Fault localization is effective for debugging support. However, when test case is not sufficient, Fault-Localization result is not reliable because that cannot localize a bug enough. This paper presents the technique of improving a Fault-Localization result using program structure under the incremental operation along the actual form of development. By the method repeatedly to fix the bug and go over the top-ranking high accuracy of the result Fault-Localization, indicating the feasibility of efficient debugging.

    CiNii

  • D-3-10 Automatically Generating Method for Code of GUI Based on MDA

    Ga Eideki, Shirogane Junko, Iwata Hajime, Fukazawa Yoshiaki

    Proceedings of the IEICE General Conference   2012 ( 1 ) 35 - 35  2012.03

    CiNii

  • D-3-9 GUI Generation based on User Interface Guidelines

    Sugiuchi Kazuya, Shirogane Junko, Iwata Hajime, Fukazawa Yoshiaki

    Proceedings of the IEICE General Conference   2012 ( 1 ) 34 - 34  2012.03

    CiNii

  • A Framework for Game Software Which Users Play through Artificial Intelligence Programming

    SAKAMOTO Kazunori, OHASHI Akira, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    The IEICE transactions on information and systems (Japanese edetion)   95 ( 3 ) 412 - 424  2012.03

    CiNii

  • Automatic Generation of Consistent GUI by Analyzing Developed Windows

    Seitaro Shirai, Junko Shirogane, Hajime Iwata, Yoshiaki Fukazawa

    IADIS International Conference Information Systems 2012, Berlin, Germany    2012.03

  • Meta-Models for Wireless Sensor Network Applications: Data, Group, and Node Views

    Ryo Shimizu, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    GRACE Technical Report   GRACE-TR-2012-01   1 - 9  2012.02

  • メタデータ制約を用いた協調プロトコルの自動合成手法

    髙橋竜一, 石川冬樹, 本位田真一, 深澤良彰

    情報処理学会論文誌「分散処理とネットワークサービス」特集   Vol.53 ( No.2 ) 683 - 697  2012.02

  • Integrated methods for a user adapted usability evaluation

    Junko Shirogane, Yuichiro Yashita, Hajime Iwata, Yoshiaki Fukazawa

    Information Systems Research and Exploring Social Artifacts: Approaches and Methodologies     379 - 397  2012  [Refereed]

     View Summary

    For software development, methods must be able to effectively perform evaluations with respect to financial and time considerations. Usability evaluations are commonly performed to ensure software is usable. Most evaluations are individually performed, leading to some significant disadvantages. Although individual evaluations identify many usability problems, efficient modifications in terms of cost and development time are difficult. Additionally, usability problems in only specific perspectives are identified in individual usability evaluations. It is important to identify comprehensively usability problems in various perspectives. To improve these situations, the authors have proposed a method to automatically integrate various types of usability evaluations. Their method adds functions to record the operation histories of the target software. This information is then used to perform individual usability evaluations with an emphasis on usability categories, such as efficiency, errors, and learnability. Then the method integrates these individual evaluations to identify usability problems and subsequently prioritize these problems according to usability categories determined by the software developers and end users. Specifically, the authors' research focuses on employing automatic usability evaluations to identify problems. For example, they analyze the operation histories, but do not focus on manually performed evaluations such as heuristic ones. They assume their research can aid software developers and usability engineers because their work allows them to recognize the more serious problems. Consequently, the software can be modified to resolve the usability problems and better meet the end users' requirements. In the future, the authors strive to integrate more diverse usability evaluations, including heuristic evaluations, to refine integration capabilities, to identify problems in more detail, and to improve the effectiveness of the usability evaluations. © 2013, IGI Global.

    DOI

    Scopus

    1
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    (Scopus)
  • 複数のプログラミング言語に対応する拡張可能なリファクタリングエンジン

    神谷知行, 坂本一憲, 大橋昭, 鷲崎弘宜, 深澤良彰

    ウィンターワークショップ 2012・イン・琵琶湖     23 - 24  2012.01  [Refereed]

  • Simulinkモデルにおける非完全一致のクローンの検出

    鷲崎弘宜, 村上真一, 深澤良彰

    組込みシステムシンポジウム2012 ESS2013   2012   154 - 163  2012  [Refereed]

    CiNii

  • A Unified Source Code Measurement Tool Supporting Multiple Programming Languages

    Reisha Humaira, Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    ウィンターワークショップ2012・イン・琵琶湖    2012  [Refereed]

  • UniAspect: A Language-Independent Aspect-Oriented Programming Framework

    Akira Ohashi, Kazunori Sakamoto, Tomoyuki Kamiya, Reisha Humaira, Satoshi Arai, Hironori Washizaki, Yoshiaki Fukazawa

    2nd Workshop on Modularity In Systems Software (MISS 2012) collocated with AOSD’12    2012  [Refereed]

    DOI

    Scopus

    3
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  • 情報システム企画・開発の実践的な疑似プロジェクトベース教育

    鷲崎弘宜, 吉田裕介, 筧捷彦, 深澤良彰, 山戸昭三, 大久保雅司

    日本工学教育協会 平成24年度工学教育研究講演会    2012

  • Webアプリケーションの動的部分に着目したグレーボックス統合テストの提案

    坂本一憲, 海津智宏, 波村大悟, 鷲崎弘宜, 深澤良彰

    情報処理学会第176回SE・第25回EMB合同研究発表会    2012

  • UNICOEN: 複数プログラミング言語対応のソースコード処理フレームワーク

    坂本一憲, 大橋昭, 太田大地, 鷲崎弘宜, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2012(SES2012)   2012   1 - 8  2012

    CiNii

  • ETロボットコンテストを題材としたプロセスが不明瞭な開発におけるパターンマイニングの提案

    角谷将司, 中野聡之, 小澤貴之, 和田雅彦, 伊藤弘毅, 鷲崎弘宜, 深澤良彰

    情報処理学会第177回ソフトウェア工学研究会 (SE)   2012 ( 4 ) 1 - 8  2012

    CiNii

  • Web service selection algorithm using Vickrey auction

    Atsushi Watanabe, Fuyuki Ishikawa, Yoshiaki Fukazawa, Shinichi Honiden

    Proceedings - 2012 IEEE 19th International Conference on Web Services, ICWS 2012     336 - 342  2012

     View Summary

    The technology for web services has facilitated composition of a new service by combining existing services. The resulting composite service is required to guarantee Quality of Service (QoS), such as price, in addition to the demanded function. Each composite service faces computationally-expensive service selection by exploring enormous service combinations for optimization of a utility function and satisfaction of global constraints. In addition, each concrete service has difficulties in determining QoS that is profitable while attractive for customers, or composite services. Specifically, information on rival services is generally secret and changeable, which is required for the optimal decision. In response to these problems, this paper proposes an algorithm for service selection using Vickrey auction. In the first phase of the proposed algorithm, the composite service selects some best concrete services through the reverse Vickrey auction, only considering the utility function. In the second phase, the global constraints are satisfied through adjustments based on the Vickrey auction. The proposed algorithm avoids full exploration of services combinations for efficient computation, while encouraging providers to declare their best QoS without caring about extra profit. © 2012 IEEE.

    DOI

    Scopus

    10
    Citation
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  • Supporting commonality and variability analysis of requirements and structural models

    Kentaro Kumaki, Ryosuke Tsuchiya, Hironori Washizaki, Yoshiaki Fukazawa

    ACM International Conference Proceeding Series   2   115 - 118  2012

     View Summary

    The commonality and variability analysis of legacy software assets requires high costs in terms of personnel and time in extractive core asset development. We propose a technique for supporting the commonality and variability analysis, targeting the requirements and structural models of legacy software assets for the development of a feature diagram and a product line architecture (PLA). We analyze the commonality and variability of the sentences as requirements and classes as structural models by calculating similarities based on a vector space model. By using our technique, the costs in terms of personnel and time required for the analysis of legacy software assets can be reduced. Copyright 2012 ACM.

    DOI

    Scopus

    10
    Citation
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  • Towards Unified Source Code Measurement Framework Supporting Multiple Programming Languages

    Reisha Humaira, Kazunori Sakamoto, Akira Ohashi, Hironori Washizaki, Yoshiaki Fukazawa

    ウィンターワークショップ2012・イン・琵琶湖    2012.01

  • Macro and Micro Patterns in the Software Design Activity

    Jonatan Hernandez, Hironori Washizaki, Yoshiaki Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   240   298 - 302  2012  [Refereed]

     View Summary

    The activities of software analysis and design are important because they are the first steps in the software development. The objective of this paper is to identify the patterns that emerge during these activities. Identifying these patterns is important because we can imitate the patterns that increase our productivity and avoid the patterns that decrease our productivity. The patterns are made from sequences the logical actions "Create", "Delete" and "Rename" applied on the elements of the design diagrams. These actions are collected when creating UML class diagrams with the open source modeling tool ArgoUML. The patterns found are of two types: micro-pattens and macro-patterns. These patterns were related to different design strategies such as top down, breadth first.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Evaluation of End User Accessibility Support Using Link Content Analysis

    Hajime Iwata, Naofumi Kobayashi, Kenji Tachibana, Junko Shirogane, Yoshiaki Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   240   138 - +  2012  [Refereed]

     View Summary

    Web pages are used for various purposes. End users must sequentially follow page links to find necessary content, requiring significant time and effort. Our method supports the location of content by analyzing link types. This facilitates end users' access to necessary information on web pages.

    DOI

    Scopus

  • Estimate of the appropriate iteration length in agile development by conducting simulation

    Ryushi Shiohama, Hironori Washizaki, Shin Kuboaki, Kazunori Sakamoto, Yoshiaki Fukazawa

    Proceedings - 2012 Agile Conference, Agile 2012     41 - 50  2012

     View Summary

    Agile development refers to the group of software development methodologies based on an iterative and incremental process model. It divides the development period into short time frames called iterations and uses a body of knowledge obtained from past experience called practice to ensure agile software development Although the iteration length is an important factor in agile development however it has so far been decided by the qualitatively and it has been reported that projects with an inappropriate iteration length tends to be failed. We thus propose a new methodology for estimating an appropriate iteration length through the conduct on of a simulation based on project constraints. In this paper we first, propose a method of calculating an appropriate iteration length for a particular project to promote the easy use of agile development. Second, the relationship between the iteration length and project constraints was investigated by varying the parameters to create diverse situations. © 2012 IEEE.

    DOI

    Scopus

    3
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  • Consistent GUI Arrangements by Analyzing Existing Windows

    Junko Shirogane, Seitaro Shirai, Hajime Iwata, Yoshiaki Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   240   197 - +  2012  [Refereed]

     View Summary

    To realize usability of software, consistency of GUI (Graphical User Interface) layouts is required. Consistency is realized by user interface guidelines, in many cases. However, there are many items in the guidelines, and it is difficult to apply all items to GUIs in terms of costs and schedule. In our method, we have proposed a method to realize consistency of GUIs. Concretely, source programs of developed GUIs are analyzed, and layout rules are extracted. Then, source programs of undeveloped GUIs are generated based on the extracted layout rules.

    DOI

    Scopus

  • Supporting commonality and variability analysis of requirements and structural models

    Kentaro Kumaki, Ryosuke Tsuchiya, Hironori Washizaki, Yoshiaki Fukazawa

    ACM International Conference Proceeding Series   2   115 - 118  2012

     View Summary

    The commonality and variability analysis of legacy software assets requires high costs in terms of personnel and time in extractive core asset development. We propose a technique for supporting the commonality and variability analysis, targeting the requirements and structural models of legacy software assets for the development of a feature diagram and a product line architecture (PLA). We analyze the commonality and variability of the sentences as requirements and classes as structural models by calculating similarities based on a vector space model. By using our technique, the costs in terms of personnel and time required for the analysis of legacy software assets can be reduced. Copyright 2012 ACM.

    DOI

    Scopus

    10
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  • Open Code Coverage Framework: A Framework for Consistent, Flexible and Complete Measurement of Test Coverage Supporting Multiple Programming Languages

    Kazunori Sakamoto, Fuyuki Ishikawa, Hironori Washizai, Yoshiaki Fukazawa

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E94D ( 12 ) 2418 - 2430  2011.12  [Refereed]

     View Summary

    Test coverage is an important indicator of whether software has been sufficiently tested. However, there are several problems with the existing measurement tools for test coverage, such as their cost of development and maintenance, inconsistency, and inflexibility in measurement. We propose a consistent and flexible measurement framework for test coverage that we call the Open Code Coverage Framework (OCCF). It supports multiple programming languages by extracting the commonalities from multiple programming languages using an abstract syntax tree to help in the development of the measurement tools for the test coverage of new programming languages. OCCF allows users to add programming language support independently of the test-coverage-criteria and also to add test-coverage-criteria support independently of programming languages in order to take consistent measurements in each programming language. Moreover, OCCF provides two methods for changin the measurement range and elements using XPath and adding user code in order to make more flexible measurements. We implemented a sample tool for C, Java, and Python using OCCF. OCCF can measure four test-coverage-criteria. We also confirmed that OCCF can support C#, Ruby, Java Script, and Lua. Moreover, we reduced the lines of code (LOCs) required to implement measurement tools for test coverage by approximately 90% and the time to implement a new test-coverage-criterion by over 80% in an experiment that compared OCCF with the conventional non-framework-based tools.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • A Formal Verification Method by Transforming UML Models of Web Applications

    OHSUGA Takahiko, ONO Kouichi, FUKAZAWA Yoshiaki

    Technical report of IEICE. KBSE   111 ( 282 ) 79 - 84  2011.11

     View Summary

    Model checking techniques are being applied to application software for formal verifications. Regarded as results of development, especially UML models are spread as it. To utilize UML models for formal verification, a method for transforming UML models to automata is already proposed. We propose a method for transforming UML models of Web applications to automata. Although relevant study needs to supplement the information for generating automata, our method doesn't require any information except for that of UML modeling. We apply this method to Web applications for mobile phone, and set a verification condition as nonexistence of vulnerable security flaw concerned with session management.

    CiNii

  • 設計段階における抽象度を考慮したソフトウェアの保守性評価枠組み

    志水理哉, 伊藤弘毅, 田邉浩之, 波木理恵子, 鷲崎弘宜, 深澤良彰

    第18回 ソフトウェア工学の基礎ワークショップ(FOSE2011)    2011.11

  • UMLモデルからの変換によるWebアプリケーションの形式検証

    大須賀 隆彦, 小野 康一, 深澤 良彰

    知能ソフトウェア工学研究会    2011.11

  • 保守性向上へ向けた設計モデルとソースコード間のトレーサビリティ解析

    伊藤弘毅, 志水理哉, 田邉浩之, 波木理恵子, 鷲崎弘宜, 深澤良彰

    第18回ソフトウェア工学の基礎ワークショップ(FOSE2011)    2011.11

  • Selection of metrics for predicting the appropriate application of design patterns

    Jonatan Hernandez, Atsuto Kubo, Hironori Washizaki, Fukazawa Yoshiaki

    ACM International Conference Proceeding Series   2011-  2011.10  [Refereed]

     View Summary

    Design patterns are known for their usefulness to solve recurrent problems. Design patterns are a way of transmitting knowledge and experience by using proven, high quality solutions. A problem that emerges when using design patterns is that it is not clear how to measure the impact that has its application on the source code. The relationships between metrics and design patterns is not clear. We propose an experiment for measuring the usefulness of metrics and their success in predicting correct usage of design patterns. With this experiment we will explore which metrics capture best the relationship of design patterns quality of the source code. By using those metrics we will make predictions about the correct usage of the design patterns. In this experiment the selected metrics were not a good predictor, however it is a starting point to explore more metrics and their relationships with design patterns.

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • コンピュータプレイヤー同士の対戦を通したプログラミングコンテストのパターンランゲージ

    坂本一憲, 大橋昭, 志水理哉, 高橋周平, 村上真一, 鷲崎弘宜, 深澤良彰

    The 2nd Asian Conference on Pattern Languages of Programs     1 - 18  2011.10  [Refereed]

  • A Configurable Sensor Model for Target Tracking in Wireless Sensor Networks

    TEI Kenji, NAKAZATO Hikotoshi, FUKAZAWA Yoshiaki, HONIDEN Shinichi

    The transactions of the Institute of Electronics, Information and Communication Engineers. B   94 ( 10 ) 1351 - 1362  2011.10

    CiNii

  • ヴィックレイオークションを利用したWebサービス選択アルゴリズム

    渡辺 敦, 石川 冬樹, 深澤 良彰, 本位田 真一

    合同エージェントワークショップ&シンポジウム2011 (JAWS2011)    2011.10

  • Selection of Metrics for Prediction of the Application of Design Patterns by Using Machine Learning

    Jonatan Hernandez Hernandez, Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    Asian PLOP 2011,Tokyo    2011.10

  • 言語非依存なアスペクト指向プログラミングフレームワーク

    大橋昭, 坂本一憲, 鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会 第28回大会     1 - 12  2011.09

     View Summary

    FOSE貢献賞

  • Webアプリケーション開発における画面仕様書およびテスト仕様書の自動生成手法と開発プロセス改善の提案

    坂本一憲, 東海政治, 村上裕子, 宮原里枝, 奥村有紀子, 秋山浩一, 鷲崎弘宜, 深澤良彰

    ソフトウェア品質シンポジウム2011     1 - 8  2011.09  [Refereed]

  • 要求・設計資産からのプロダクトラインアーキテクチャ抽出

    熊木 健太郎, 鷲崎 弘宜, 深澤 良彰

    日本ソフトウェア科学会第28回大会    2011.09

  • A Tool For Detecting Duplicated Test Code Based On Test Coverage to Assist TDD

    SAKAMOTO Kazunori, WADA Takuto, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    Technical report of IEICE. SS   111 ( 107 ) 41 - 46  2011.06

     View Summary

    The amount of test code has increased as the test technology has developed and the amount of duplicated test code that is redundant has also increased. Duplicated test code that does not change defects which are found when testing software even if it is removed. This increases the size of test code and decreases the efficiency of execution and maintenance of software testing. We therefore propose techniques of detecting duplicated test code based on test coverage supporting multiple programming languages. We define the inclusion relation of test code based on test coverage and present techniques of detection and the implementation of a detection tool supporting three programming languages: Java, C and Python. We explain an experiment for detecting duplicated test code in open source software with the detection tool and discuss the benefits of the proposed techniques. Moreover, we show that the duplicated test code that is detected with the detection tool does not influence the results obtained from measuring the test coverage and demonstrate that the change in using test coverage can change the measurement criteria.

    CiNii

  • 大問題プロジェクトのステークホルダー分析

    大高浩, 深澤良彰

    プロジェクトマネジメント学会論文誌   Vol.13 ( No.3 ) 19 - 25  2011.06

     View Summary

    Not only project managers but also customers, senior managers and sales persons (hereafter, planning stakeholders) are possible causers of serious problem projects (SPPs) in IT firm, which have magnificent adverse influences to social and economical activities. However, there has been no report, which clarified causal relations between the planning stakeholders and the SPPs, with objective method. In this paper, we clarify the causal relation between them, by analyzing actual SPP events, which were extracted from failure project events collected and disclosed by the Information-technology Promotion Agency, Japan, using a process to avoid leading intentional results. We also mention about the necessity of standards including planning stakeholders to prevent the SPPs.

    DOI CiNii

  • Usability Evaluation Method by Integrating Various Types of Evaluations

    Junko Shirogane, Yuichiro Yashita, Hajime Iwata, Yoshiaki Fukazawa

    the IADIS International Conference Interfaces and HumanComputer Interaction,Rome, Italy    2011.06

  • Generation of Consistent GUI by Analyzing Existing Windows

    SHIRAI Seitaro, SHIROGANE Junko, IWATA Hajime, FUKAZAWA Yoshiaki

    Technical report of IEICE. KBSE   110 ( 468 ) 67 - 72  2011.03

     View Summary

    Consistency is an essential factor of usability of GUIs. Consistent GUIs support us to learn software usage and to use more efficient. However, developing consistent GUIs is heavy burden for developers. We propose a method of automatically generating GUIs based on analyzed GUIs. In our method, existing GUIs are analyzed, details of GUI and layout rules are extracted, and new windows are generated using the extracted rules. Our method can make GUI development easier.

    CiNii

  • 既存ウインドウ情報の解析による一貫性を持ったGUI自動生成手法

    白井盛太郎, 白銀純子, 岩田一, 深澤良彰

    知能ソフトウェア工学研究会    2011.03

  • Design Pattern Detection using Software Metrics and Machine Learning

    Satoru Uchiyama, Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    5th International Workshop on Software Quality and Maintainability (SQM2011)    2011.03

  • アーキテクチャパターンの構造化に基づくパターン候補マイニング

    中野 聡之, 中野 由貴, 鷲崎 弘宜, 深澤 良彰

    ソフトウェアエンジニアリングシンポジウム2011 (SES2011)    2011  [Refereed]

  • アジャイル開発における適切なイテレーション期間のシミュレーションによる推定

    塩浜 龍志, 坂本 一憲, 久保秋 真, 鷲崎弘宜, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2011 (SES2011)    2011  [Refereed]

  • A pattern language for programming contests with game AI competition

    Kazunori Sakamoto, Akira Ohashi, Masaya Shimizu, Syuhei Takahashi, Shinichi Murakami, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of the 2nd Asian Conference on Pattern Languages of Programs (AsianPLoP 2011)     III-116 - III-133  2011  [Refereed]

    DOI

  • Mining analysis patterns by structure and word similarity

    Yutaro Nomoto, Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of the 2nd Asian Conference on Pattern Languages of Programs (AsianPLoP 2011)     III-106 - III-115  2011  [Refereed]

    DOI

    Scopus

  • Evaluation of Understandability of UML Class Diagrams by Using Word Similarity

    Yuto Nakamura, Kazunori Sakamoto, Kiyohisa Inoue, Hironori Washizaki, Yoshiaki Fukazawa

    The Joint Conference of the 21st International Workshop on Software Measurement (IWSM) and the 6th International Conference on Software Process and Product Measurement (Mensura)    2011  [Refereed]

    DOI

  • Acceptance-Test based on the Inter-Use Case Relations

    Susumu Kariyuki, Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    The 5th World Congress for Software Quality (5WCSQ)    2011  [Refereed]

  • AOJS:JavaScriptのためのアスペクト指向プログラミング・フレームワーク

    大橋昭, 久保淳人, 水町友彦, 江口和樹, 村上真一, 高橋竜一, 鷲崎弘宜, 深澤良彰, 鹿糠秀行, 小高敏裕, 杉本信秀, 永井洋一, 山本里枝子, 吉岡信和, 石川冬樹, 碇尚史

    コンピュータソフトウェア   Vol. 28 ( No. 3 ) 1 - 15  2011

  • 設計段階におけるソフトウェア品質特性の評価枠組み

    志水理哉, 伊藤弘毅, 田邉浩之, 波木理恵子, 鷲崎弘宜, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2011・イン・修善寺    2011.01

  • 設計原則への分解を用いたアーキテクチャパターン選択支援

    中野由貴, 鷲崎弘宜, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2011・イン・修善寺    2011.01

  • シナリオのイベント順序におけるユーザビリティ評価のためのGUIプロトタイプ生成

    柴田博成, 白銀純子, 岩田一, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ2011・イン・修善寺    2011.01

  • Model driven development for rapid prototyping and optimization of wireless sensor network applications

    Ryo Shimizu, Kenji Tei, Yoshiaki Fukazawa, Shinichi Shinichi

    Proceedings - International Conference on Software Engineering     31 - 36  2011

     View Summary

    In order to develop Wireless Sensor Network (WSN) applications, it is necessary to develop prototypes in a low-cost way and to optimize application performance. Existing development approaches enable to develop a low-cost prototype by concealing the detail of WSN from the developers. However, there is a trade-off between the development cost of prototype and the description capability needed to optimize the application performance. We propose a Model-Driven Development (MDD) process to enable a low-cost prototyping and detailed optimization. To enable such a development process, we define modeling languages, which describe an application at three abstraction levels, and transformation rules, which transform models described by our modeling language to concrete one. Using our process, in prototyping, the developer describes a model by using the modeling language at the highest abstraction level and automatically obtains an executable model by using transformation rules. In addition, in optimizing, the developer can automatically obtain the models at more concrete abstraction level than the prototype by using transformation rules and modifies them in greater detail by using each modeling language. © 2011 ACM.

    DOI

    Scopus

    26
    Citation
    (Scopus)
  • Bridging the gap between semantic web service composition and common implementation architectures

    Fuyuki Ishikawa, Satoshi Katafuchi, Florian Wagner, Yoshiaki Fukazawa, Shinichi Honiden

    Proceedings - 2011 IEEE International Conference on Services Computing, SCC 2011     152 - 159  2011

     View Summary

    Semantic web techniques have been leveraged in planning methods for automated service composition. Typically, inputs and outputs of services are described in abstract concepts for efficient and meaningful matching between output of one service and input of another. However, existing methods have not examined concrete data structures, which are essential for successful service interaction in common implementation architectures. To address the problem, this paper proposes a matching method that can be incorporated into existing planning methods to ensure consistency in concrete data structures. The proposed method applies a two-phase matching process to efficiently filter out services that do not match at the abstract level. It also applies a data structure to organize similar services according to their relationships for efficient matching during the planning process. © 2011 IEEE.

    DOI

    Scopus

    5
    Citation
    (Scopus)
  • Method to improve accessibility of rich internet applications

    Junko Shirogane, Takayuki Kato, Yui Hashimoto, Kenji Tachibana, Hajime Iwata, Yoshiaki Fukazawa

    Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   7058   349 - 365  2011

     View Summary

    Currently numerous websites contain dynamic content, but it is difficult to create accessible websites with dynamic content compared to those with static content. Because many platforms can realize Rich Internet Applications (RIAs), it is important that this type of dynamic content become accessible. We propose a method to improve accessibility of RIAs. Our method consists of two phases. In the first phase, we develop libraries to realize accessibility of RIAs. In the second phase, the libraries are automatically applied to RIAs. As an example of platforms that realize RIAs, our research focuses on JavaFX Script. © 2011 Springer-Verlag Berlin.

    DOI

    Scopus

    4
    Citation
    (Scopus)
  • Evaluation of Design Patterns by Machine Learning

    Jonatan Hernandez, Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    IWESEP 2010 in Nara    2010.12

  • Method for automatically applying accessibility library to RIA written by JavaFX Script

    KATO Takayuki, TACHIBANA Kenji, IWATA Hajime, SHIROGANE Junko, FUKAZAWA Yoshiaki

    Technical report of IEICE. KBSE   110 ( 305 ) 19 - 24  2010.11

     View Summary

    In our research, we propose the method of improving accessibility automatically for RIA written by JavaFX Script. We develop a method for applying accessibility libraries to GUI component of JavaFX Script. Due to our method, it is possible to reduce costs of developing accessible GUIs of JavaFX Script.

    CiNii

  • 多面的テストの統合によるユーザビリティ評価

    矢下雄一郎, 白銀純子, 岩田一, 深澤良彰

    第17回ソフトウェア工学の基礎ワークショップFose 2010 in 越後湯沢     131 - 136  2010.11

  • テスティングフレームワークにおける問題と考察

    坂本一憲, 鷲崎弘宜, 深澤良彰

    第17回 ソフトウェア工学の基礎ワークショップ(FOSE 2010)    2010.11

  • Webサービスのリファクタリング検出と自動修正

    福留康之, 鷲崎弘宜, 深澤良彰

    第17回 ソフトウェア工学の基礎ワークショップ(FOSE 2010)    2010.11

  • 動的なコードの評価機構を備えた言語に対するテストカバレッジ測定ツール

    坂本一憲, 鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会第27回大会, 2010    2010.09

  • 既開発部分の解析によるレイアウト調整済みGUIの生成

    白井盛太郎, 白銀純子, 岩田一, 深澤良彰

    FIT2010 第9回情報科学技術フォーラム    2010.09

  • AIプログラミングを通して参加する教育向けゲームシステムに適したソフトウェアパターン

    坂本一憲, 大橋昭, 志水理哉, 高橋周平, 村上真一, 内山諭, 城間祐輝, 野本悠太郎, 庄山昭彦, 中村悠人, 鷲崎弘宜, 深澤良彰

    ソフトウェアのパターンとアーキテクチャ・アジャイル開発ワークショップ(ソフトウェアエンジニアリングシンポジウム2010併設)     1 - 1  2010.08

  • 要求・設計資産からのプロダクトラインアーキテクチャ抽出

    熊木 健太郎, 鷲崎 弘宜, 深澤 良彰

    ソフトウェアエンジニアリングシンポジウム2010 (SES2010)    2010.08

  • テストカバレッジに基づく重複テストコードの検出ツール

    坂本 一憲, 和田 卓人, 鷲崎 弘宜, 深澤 良彰

    ソフトウェアエンジニアリングシンポジウム2010 (SES2010)    2010.08

  • Method of GUI Layout Arrangement Along With User Interface Guidelines", Proc. of the 9th. Joint Conference on Knowledge-Based Software Engineering (JCKBSE'10), Ka

    Junko Shirogane, Takeaki Fukumoto, Hajime Iwata, Yoshiaki Fukazawa

    9th. Joint Conference on Knowledge-Based Software Engineering (JCKBSE'10)    2010.08

  • 無線センサネットワークの為のモデル駆動開発に向けたDSL非依存モデルの提案

    清水遼, 鄭顕志, 深澤良彰, 本位田真一

    マルチメディア, 分散, 協調とモバイル(DICOMO2010)シンポジウム    2010.07

  • 組合せによる条件付き品質を考慮したWebサービス選択の高速化手法

    渡辺敦, 片渕聡, 高橋竜一, 鄭顕志, 石川冬樹, 深澤良彰, 本位田真一

    マルチメディア, 分散, 協調とモバイル(DICOMO2010)シンポジウム    2010.07

  • イベント駆動型Webサービス検索のためのイベントマッチング

    片渕 聡, 鄭 顕志, 高橋 竜一, 深澤 良彰, 石川 冬樹, 本位田 真一

    2010年度人工知能学会全国大会(第24回)JSAI2010    2010.06

  • Verification of a Dependability Model of IT Services for Social and Economic Infrastructures

    Hiroshi Ohtaka, Koichiro Oshika, Masashi Gotou, Tsutomu Yoshitani, Yoshiaki Fukazawa

    3rd International Conference on Information Sciences and Interaction Sciences (ICIS'10)    2010.06

  • Generation of an Operation Learning Support System by Log Analysis

    Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa, Generation of, a, O

    2nd International Conference on Software Engineering and Data Mining(SEDM 2010), Chengdu, China    2010.06

  • Accessibility Evaluation for GUI Software Using Source Programs and Its Evaluation

    Junko Shirogane, Takashi Mori, Hajime Iwata, Yoshiaki Fukazawa

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E93D ( 4 ) 721 - 732  2010.04  [Refereed]

     View Summary

    Computers and software have become necessities in human society. and most people ale replied to be able to use them However software is not always accessible for users with special needs, and it is difficult to develop software accessible to such users Theme are many guidelines and support tools for developing accessible websites For software, however such guidelines and support tools are few In our research, to develop accessible software easily we propose a method of evaluating the accessibility of Graphical User Interface (GUI) software This method involves analyzing GUI software source programs. assessing accessibility on the basis of accessibility guidelines, and presenting a list of unsatisfactory accessibility code and indicating how to modify it.

    DOI

    Scopus

  • N-ary Sensor Model for Target Tracking in Wireless Sensor Networks

    Kenji Tei, Hikotoshi Nakazato, Yoshiaki Fukazawa, Shinichi Honiden

    1st International Workshop on Energy Aware Design and Analysis of Cyber Physical Systems (WEA-CPS’10), in conjunction with CPSWEEK in Stockholm, Sweden    2010.04

  • AIプログラミングを通して参加する教育向けゲームシステムに適したソフトウェアアーキテクチャ

    坂本一憲, 内山諭, 城間祐輝, 野本悠太郎, 庄山昭彦, 中村悠人, 鷲崎弘宜, 深澤良彰

    日本ゲーム学会 「ゲームと教育」研究部会 第3回 研究会    2010.03

  • A pattern for reconstructing test code based on test coverage

    Kazunori Sakamoto, Hironori Washizaki, Takuto Wada, Yoshiaki Fukazawa

    1st Asian Conference on Pattern Languages of Programs (AsianPLoP 2010)    2010.03  [Refereed]

    DOI

    Scopus

  • 利用ログに対するウィンドウ遷移の解析による操作学習システム生成

    岩田一, 白銀純子, 深澤良彰

    情報処理学会 第167回ソフトウェア工学研究発表会    2010.03

  • REST形式Webサービスのテスト実行に基づく高精度な検索

    重井康宏, 鷲崎弘宜, 深澤良彰

    第167回ソフトウェア工学研究発表会    2010.03

  • JavaFX Scriptで記述されたRIAのアクセシビリティ向上支援

    加藤宝章, 橋本優惟, 橘賢二, 岩田一, 白銀純子, 深澤良彰

    第52回福祉情報工学研究会    2010.03

  • Method for Validating Appropriate Realization of Scenarios Using Operation Histories

    Junko Shirogane, Yoshiaki Fukazawa

    IADIS International Conference on Information Systems, Avila, Spain     276 - 280  2010.03

  • Managing Risk Symptom: A Method to Identify Major Risks of Serious Problem Projects in SI Environment Using Cyclic Causal Model

    Hiroshi Ohtaka, Yoshiaki Fukazawa

    PROJECT MANAGEMENT JOURNAL   41 ( 1 ) 51 - 60  2010.03  [Refereed]

     View Summary

    Serious problem projects (SPPs) often occur, particularly in a system integration environment, and it is difficult to prevent them, since the relationships among phenomena that occur throughout the project life cycle are extremely complicated. Our goal is to make it easier to identify major risks by distinguishing phenomena that are sources of future SPPs from phenomena observed in actual field projects. By choosing several events whose causal relation is known to be cyclic, we constructed a causal model and clarified that it can contribute to the easier recognition of SPPs empirically, by analyzing actual SPP cases.

    DOI

    Scopus

    10
    Citation
    (Scopus)
  • GUI Prototype Generation Based on an MDA Process

    Junko Shirogane, Hiroshi Mukaeda, Hajime Iwata, Yoshiaki Fukazawa

    IADIS International Conference Information Systems 2010    2010.03

  • Model-Driven Security Patterns Application Based on Dependences among Patterns,

    Yuki Shiroma, Hironori Washizaki, Yoshiaki Fukazawa, Atsuto Kubo, Nobukazu Yoshioka

    2010 International Conference on Availability, Reliability and Security     555 - 559  2010.02  [Refereed]

    DOI

    Scopus

    8
    Citation
    (Scopus)
  • Detecting Design Patterns Using Source Code of Before Applying Design Patterns

    WASHIZAKI Hironori, FUKAYA Kazuhiro, KUBO Atsuto, FUKAZAWA Yoshiaki

    Computer Software   27 ( 2 ) 136 - 141  2010

     View Summary

    Detecting design patterns from object-oriented program source-code can help maintainers understand the design of the program. However, the detection precision of conventional approaches based on the structural aspects of patterns is low due to the fact that there are several patterns with the same structure. To solve this problem, we propose an approach of design pattern detection using source-code of before the application of the design pattern. Our approach is able to distinguish different design patterns with similar structures, and help maintainers understand the design of the program more accurately.

    CiNii

  • Model-Driven Security Patterns Application and Validation

    Yuki Shiroma, Hironori Washizaki, Yoshiaki Fukazawa, Atsuto Kubo, Nobukazu Yoshioka, Eduardo B. Fernandez

    17th Conference on Pattern Languages of Programs (PLoP 2010)    2010

  • 組み合わせQoSを考慮した自動サービス合成に関する研究

    渡辺敦, 片渕聡, 高橋竜一, 鄭顕志, 石川冬樹, 深澤良彰, 本位田真一

    ウィンターワークショップ2010・イン・倉敷    2010.01

  • ユーザの操作を基にしたユーザビリティ自動評価手法

    矢下雄一郎, 白銀純子, 岩田 一, 深澤良彰

    電子情報通信学会 知能ソフトウェア工学研究会, 2010年1月研究会   109 ( 392 ) 7 - 12  2010.01

     View Summary

    In our research, we proposes a method for automatically evaluating usability of Graphical User Interfaces (GUIs) of software. Concretely, by obtaining and analyzing operation histories of tasks when users use the software using our method, we specify problems of usability of the target software. In these evaluations, operation time and order of windows are evaluated. Using our method, it is easy for developers to evaluate usability of software.

    CiNii

  • テスト実行に基づくREST形式Webサービスの高精度な検索

    重井康宏, 鷲崎弘宜, 深澤良彰

    ウィンターワークショップ2010・イン・倉敷    2010.01

  • ソフトウェアの評価とソフトウェア工学研究の評価

    深澤良彰

    ウィンターワークショップ2010・イン・倉敷    2010.01

  • サービス設計における付随機能の考慮によるQoSの向上

    高橋竜一, 鄭顕志, 石川冬樹, 本位田真一, 深澤良彰

    ウィンターワークショップ2010・イン・倉敷    2010.01

  • Notification型Webサービス特有のQoSによるサービス選択に向けてのアプローチ

    片渕聡, 鄭顕志, 高橋竜一, 石川冬樹, 本位田真一, 深澤良彰

    ウィンターワークショップ2010・イン・倉敷    2010.01

  • Open code coverage framework: A consistent and flexible framework for measuring test coverage supporting multiple programming languages

    Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings - International Conference on Quality Software     262 - 269  2010

     View Summary

    Test coverage is an important indicator of whether software has been tested sufficiently. However, existing measurement tools for test coverage are associated with several problems such as their cost of development and maintenance, inconsistency and inflexibility in measurement. We propose a framework for consistent and flexible measurement of test coverage, called the Open Code Coverage Framework (OCCF), that supports multiple programming languages. OCCF extracts commonalities from multiple programming languages focusing on only small syntax differences in programming languages using an abstract syntax tree. OCCF provides guidelines to support several test coverage criteria. Moreover, OCCF let users expand features to add user-defined test coverage and new programming language. As a result, we reduced the lines of code required to implement measurement tools for test coverage by about 90%and the time to implement a special coverage criterion by80% or more in an experiment that compared OCCF with conventional tools developed individually without using the framework. © 2010 IEEE.

    DOI

    Scopus

    7
    Citation
    (Scopus)
  • Evaluation of the Application of Design Patterns by Using a Classification with a Support Vector Machine

    J.Hernandez, A.Kubo, H.Washizaki, Y.Fukazawa

    IPSJ/SIGSE Winter Workshop 2010 in Kurashiki    2010.01

  • A model for manageable dependability of IT services associated with social and economic infrastructure

    Hiroshi Ohtaka, Koichiro Oshika, Masashi Gotou, Tsutomu Yoshitani, Yoshiaki Fukazawa

    International Journal of Information Processing and Management   1 ( 1 ) 15 - 24  2010

     View Summary

    Defects in information technology (IT) services will have greater negative impacts on social and economic activities in the future, since the risks of such defects are increasing due to their wider applications and the growth of IT systems' complexity and scale. In this paper, upon surveying the current state of affairs and seeing that little progress has been made towards understanding and reducing defects in IT services that influence social and economic activities, despite a number of efforts including upgrading software and hardware quality, we propose a new approach to understanding and managing the dependability of IT services by discussing a dependability model. The model consists of not only functions for legacy system dependability but also two types of functions (additional safety and safety operation). Next we evaluate the efficacy of these two types of functions relative to IT dependability, both qualitatively and quantitatively, by using 42 actual cases of IT accidents obtained by the Information-technology Promotion Agency, Japan. Moreover, based on the verification, we examine the ways in which improvement of IT dependability associated with social and economic infrastructure, previously dependent on the skill of individual engineers, is eventually achieved as a result of organizational activities.

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • TCD: A Text-Based UML Class Diagram Notation and Its Model Converters

    Hironori Washizaki, Masayoshi Akimoto, Atsushi Hasebe, Atsuto Kubo, Yoshiaki Fukazawa

    ADVANCES IN SOFTWARE ENGINEERING   117   296 - 302  2010  [Refereed]

     View Summary

    Among several diagrams defined in UML, the class diagram is particularly useful through entire software development process, from early domain analysis stages to later maintenance stages. However conventional UML environments are often inappropriate for collaborative modeling in physically remote locations, such as exchanging models on a public mailing list via email. To overcome this issue, we propose a new diagram notation, called "TCD" (Text-based uml Class Diagram), for describing UML class diagrams using ASCII text. Since text files can be easily created, modified and exchanged in anywhere by any computing platforms, TCD facilitates the collaborative modeling with a number of unspecified people. Moreover, we implemented model converters for converting in both directions between UML class diagrams described in the XMI form and those in the TCD form. By using the converters, the reusability of models can be significantly improved because many of UML modeling tools support the XMI for importing and exporting modeling data.

  • ユースケース間の関係を考慮した網羅的な受け入れテストの支援

    雁行進夢, 久保淳人, 鈴木三紀夫, 鷲崎弘宜, 深澤良彰

    情報処理学会論文誌   Vol.50 ( No.12 ) 3052 - 3073  2009.12

    CiNii

  • Study on Improvement of Dependability of IT Services for Social and Economic Infrastructures

    Hiroshi Ohtaka, Koichiro Oshika(IPA/JRI, Masashi Gotou(IPA/Intec, Yoshiaki Fukazawa

    APIEMS2009, Kitakyusyu, Japan    2009.12

  • テストカバレッジ測定フレームワーク Open Code Coverage Framework

    坂本一憲, 鷲崎弘宜, 深澤良彰

    第16回 ソフトウェア工学の基礎ワークショップ (FOSE 2009), 日本ソフトウェア科学会    2009.11  [Refereed]

  • A Framework for Measuring Test Coverage Supporting Multiple Programming Languages

    Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    First Software Engineering Postgraduates Workshop (SEPoW 2009) (In conjunction with APSEC 2009)     40 - 44  2009.11  [Refereed]

    CiNii

  • 構造および語の類似性に基づくアナリシスパターンの自動抽出

    野本悠太郎, 久保淳人, 鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会FOSE 2009 in 箱根    2009.11

  • メトリクスと機械学習によるデザインパターン検出

    内山諭, 久保淳人, 鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会FOSE 2009 in 箱根    2009.11

  • マルチエージェントシステムにおけるメタデータを用いた協調プロトコル合成手法

    高橋竜一, 鄭顕志, 石川冬樹, 本位田真一, 深澤良彰

    電子情報通信学会, ソフトウェアエージェントとその応用特集号   Vol.J92-D ( No.11 ) 1827 - 1839  2009.11

    CiNii

  • アスペクト指向によるAjaxデザインパターンの適用

    江口和樹, 久保淳人, 鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会FOSE 2009 in 箱根    2009.11

  • A Proposal for Applying the MIERUKA of IT Project to Non Japanese Asian Countries

    Hiroshi Ohtaka, Yoshiki Mitani(IPA, SEC, Yoshiaki Fukazawa

    Serial Session (Special Lecture2) in ProMAC2009, Bangkok, Thailand    2009.10

  • 柔軟かつ複数プログラミング言語対応のテストカバレッジ測定フレームワーク

    坂本一憲, 鷲崎弘宜, 深澤良彰

    第8回情報科学技術フォーラム (FIT2009)     103 - 112  2009.09  [Refereed]

     View Summary

    FIT船井ベストペーパー賞, FITヤングリサーチャー賞

  • 携帯端末用Webページから通常端末用ページを構成する手法

    勝俣浩樹, 小野康一, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会    2009.09

  • ユーザ要求に対するパッケージソフトウェアの適合度導出手法

    白銀純子, 深澤良彰

    電子情報通信学会 知能ソフトウェア工学研究会 2009年9月研究会    2009.09

  • GUIレイアウトに対するガイドラインの自動適用手法

    福本丈晃, 岩田一, 白銀純子, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2009    2009.09

  • テスト実行に基づくWebサービスの高精度な検索

    重井康宏, 鷲崎弘宜, 深澤良彰

    サービスコンピューティング時限研究専門委員会 第1回研究会    2009.07

  • サービス合成におけるメタデータを用いた協調プロトコル合成手法

    高橋竜一, 鄭顕志, 石川冬樹, 本位田真一, 深澤良彰

    サービスコンピューティング時限研究専門委員会 第1回研究会    2009.07

  • Webサービス検索のための操作カテゴリ分類手法の提案

    片渕聡, 鄭顕志, 高橋竜一, 石川冬樹, 本位田真一, 深澤良彰

    サービスコンピューティング時限研究専門委員会 第1回研究会    2009.07

  • Model Checking by Generating Observers from an Interface Specification Between Components

    Tetsuo Hasegawa, Yoshiaki Fukazawa

    3rd International United Information Systems Conference     526 - 538  2009.04  [Refereed]

  • User-oriented Preparative Treatments for Requirements Engineering

    Fei He, Yoshiaki Fukazawa

    Sixth Asian Workshop on Foundations of Software (AWFS 2009)    2009.04

  • 並列コピーの導入による生存区間分割手法の性能向上

    中林淳一郎, 片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会論文誌:プログラミング   Vol.2 ( No.2 ) 70 - 79  2009.03

    CiNii

  • 操作履歴を利用したユーザビリティ評価手法

    矢下雄一郎, 白銀純子, 岩田一, 深澤良彰

    情報処理学会第71回全国大会    2009.03

  • JavaFX Script による動的コンテンツのアクセシビリティ向上手法

    加藤宝章, 橘賢二, 岩田一, 白銀純子, 深澤良彰

    情報処理学会第71回全国大会    2009.03

  • AOJS: Aspect-Oriented Programming Framework for JavaScript

    Hironori Washizaki, Atsuto Kubo, Tomohiko Mizumachi, Kazuki Eguchi, Yoshiaki Fukazawa

    8th International Conference on Aspect-Oriented Software Development (AOSD'09) Demonstration Track    2009.03

  • Web画像に対する代替記述の適切性の評価手法

    柳田育孝, 橘賢二, 白銀純子, 岩田一, 深澤良彰

    第46回福祉情報工学研究会(共催:聴覚研究会)   108 ( 435 ) 59 - 68  2009.02

    CiNii

  • 共通の言語モデルを用いた複数プログラミング言語対応のテストカバレッジ測定フレームワーク

    坂本一憲, 鷲崎弘宜, 深澤良彰

    第7回ディペンダブルシステムワークショップ     167 - 170  2009

  • 単語の類似度を用いたUMLクラス図の理解性の測定と評価

    中村悠人, 鷲崎弘宜, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2009論文集    2009  [Refereed]

  • パターン間の関係を考慮したセキュリティパターン適用支援

    城間祐輝, 久保淳人, 吉岡信和, 鷲崎弘宜, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2009論文集    2009  [Refereed]

  • Reporting the Implementation of a Framework for Measuring Test Coverage based on Design Patterns

    Kazunori Sakamoto, Hironori Washizaki, Yoshiaki Fukazawa

    Proc. 3rd International Workshop on Software Patterns and Quality (SPAQu’09)     26 - 30  2009  [Refereed]

  • クラスタリング技法を用いたソフトウェアパターン分類

    久保淳人, 鷲崎弘宜, 深澤良彰

    情報処理学会ウィンターワークショップ2009・イン・宮崎    2009  [Refereed]

  • Detecting Design Patterns Using Source Code of Before Applying Design Patterns

    Hironori Washizaki, Kazuhiro Fukaya, Atsuto Kubo, Yoshiaki Fukazawa

    PROCEEDINGS OF THE 8TH IEEE/ACIS INTERNATIONAL CONFERENCE ON COMPUTER AND INFORMATION SCIENCE     933 - 938  2009  [Refereed]

     View Summary

    Detecting design patterns from object-oriented program source-code can help maintainers understand the design of the program. However the detection precision of conventional approaches based on the structural aspects of patterns is low due to the fact that there are several patterns with the same structure. To solve this problem, we propose an approach of design pattern detection using source-code of before the application of the design pattern. Our approach is able to distinguish different design patterns with similar structures, and help maintainers understand the design of the program more accurately. Moreover our technique reveals when and where the target pattern has been applied in an ordered series of revisions of the target program. Our technique is useful to assess what kinds of patterns increase what kinds of quality characteristics such as the maintainability.

    DOI

    Scopus

    9
    Citation
    (Scopus)
  • AOJS: Aspect-Oriented Java Script Programming Framework for Web Development

    Hironori Washizaki, Atsuto Kubo, Tomohiko Mizumachi, Kazuki Eguchi, Yoshiaki Fukazawa, Nobukazu Yoshioka, Hideyuki Kanuka, Toshihiro Kodaka, Nobuhide Sugimoto, Yoichi Nagai, Rieko Yamamoto

    ACP4IS&apos;09: 8TH WORKSHOP ON ASPECTS, COMPONENTS AND PATTERNS FOR INFRASTRUCTURE SOFTWARE     31 - 35  2009  [Refereed]

     View Summary

    Java Script is a popular scripting language that is particularly useful for client-side programming together with HTML/XML on the Web. As Java Script programs become more complex and large, separation of concerns at the implementation level is a significant challenge. Aspect orientation has been a well known concept to realize improved separation; however, existing mechanisms require modifications in the target modules for aspect weaving in Java Script (i.e., not "complete" separation). In this paper, we propose an Aspect-Oriented Java Script framework, named "AOJS", which realizes the complete separation of aspects and other core modules in Java Script. AOJS can specify function executions, variable assignments and file initializations in Java Script programs as the joinpoints of aspects. Moreover, AOJS guarantees the complete separation of aspects and core program modules by adopting a proxy-based architecture for aspect weaving. By utilizing these features, we confirmed that AOJS offers improved modifiability and extendability for Java Script programming.

  • 無線センサネットワークにおける計測記述言語のための規範モデル導出手法の構築

    鄭顕志, 深澤良彰, 本位田真一

    第15回ソフトウェア工学の基礎ワークショップ in 淡路島 (FOSE2008)     69 - 75  2008.11

  • ステークホルダの意思決定を支援するプロダクトライン再生シナリオの提案

    位野木万里, 杉本信秀, 深澤良彰

    第15回ソフトウェア工学の基礎ワークショップ in 淡路島 (FOSE2008)    2008.11

  • ガイドラインに則したGUIレイアウトの自動調整手法

    福本丈晃, 岩田一, 白銀純子, 深澤良彰

    第15回ソフトウェア工学の基礎ワークショップ in 淡路島 (FOSE2008)    2008.11

  • MDAモデル変換プロセスに沿ったGUIプロトタイプ生成

    迎田宙, 岩田一, 白銀純子, 深澤良彰

    第15回ソフトウェア工学の基礎ワークショップ in 淡路島 (FOSE2008)    2008.11

  • AOJS: アスペクトを完全分離記述可能なJavaScriptアスペクト指向プログラミング・フレームワーク

    久保淳人, 水町友彦, 鷲崎弘宜, 深澤良彰, 鹿糠秀行, 小高敏裕, 杉本信秀, 永井洋一, 山本里枝子, 吉岡信和

    第15回ソフトウェア工学の基礎ワークショップ in 淡路島 (FOSE2008)     145 - 154  2008.11

    CiNii

  • An Efficient Node Selection Metric for In-network Process Deployment

    Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    Proc. of The Fourth International Wireless Internet Conference (WICON 2008)    2008.11

  • 並列コピーの導入による生存区間分割手法の性能向上

    中林淳一郎, 片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    第71回情報処理学会プログラミング研究会    2008.10

  • 適応エージェントのためのユビキタスコンピューティングミドルウェア

    鄭顕志, 石川冬樹, 吉岡信和, 深澤良彰, 本位田真一

    日本ソフトウェア科学会, コンピュータソフトウェア「エージェント」特集   Vol.25 ( No.4 ) 11 - 19  2008.10

  • 協調プロトコル合成における制御構造付与のためのハイレベルオペレーション

    高橋竜一, 鄭顕志, 石川冬樹, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム2008 (JAWS-2008)    2008.10

  • ユビキタスコンピューティングにおけるアプリケーション開発手法に関する研究動向

    鄭顕志, 中川博之, 川俣洋次郎, 吉岡信和, 深澤良彰, 本位田真一

    日本ソフトウェア科学会 コンピュータソフトウェア「エージェント」特集   Vol.25 ( No.4 ) 121 - 132  2008.10

    CiNii

  • PatternRank: A Software-Pattern Search System Based on Mutual Reference Importance

    Atsuto Kubo, Hiroyuki Nakayama, Hironori Washizaki, Yoshiaki Fukazawa

    Proc. of the 15th Pattern Languages of Programming (PLoP2008), Nashville, USA    2008.10

  • 動的Webアプリケーションのユーザビリティ評価について

    濱邉将太, 小野康一, 深澤良彰

    日本ソフトウェア科学会第25回大会    2008.09

  • ユースケース間の関係を考慮した網羅的な受け入れテストの支援

    雁行進夢, 久保淳人, 鈴木三紀夫, 鷲崎弘宜, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2008     71 - 78  2008.09

  • ソフトウェアパターン選択支援の現状と展望

    久保淳人, 鷲崎弘宜, 深澤良彰

    ソフトウェア開発のパターンとアーキテクチャ (ソフトウェアエンジニアリングシンポジウム2008併設ワークショップ)    2008.09

  • Study on Organizational Project Management of SI Companies Compared with KAIZEN

    Hiroshi Ohtaka, Yoshiaki Fukazawa

    Proc. of the 4th. International Project Management Conference (ProMAC 2008)    2008.09

  • 無線センサネットワークにおける省資源性を考慮したセンサセレクション手法

    中村善行, 鄭顕志, 深澤良彰, 本位田真一

    マルチメディア, 分散, 協調とモバイル(DICOMO2008)シンポジウム    2008.07

  • 通信コストと計測精度を考慮したトラッキングのためのセンサモデルの提案

    中里彦俊, 中村善行, 鄭顕志, 深澤良彰, 本位田真一

    マルチメディア, 分散, 協調とモバイル(DICOMO2008)シンポジウム     195 - 204  2008.07

  • 効率の良いネットワーク内処理のためのノード選択指標の提案

    鄭顕志, 深澤良彰, 本位田真一

    情報処理学会論文誌   Vol.49 ( No.6 ) 1872 - 1884  2008.06

    CiNii

  • GUI change method according to roles of widgets and change patterns

    Junko Shirogane, Hajime Iwata, Kazuhiro Fukaya, Yoshiaki Fukazawa

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E91D ( 4 ) 907 - 920  2008.04

     View Summary

    To develop usable software, it is necessary to develop Graphical User Interfaces (GUIs) in iterative steps, such as evaluating the usability of GUIs and improving GUIs. In improving GUIs, developers are often required to modify both the GUI and the logic code of the software. In our research, to facilitate GUI improvement, we propose a method of automatically searching for code to be modified and suggesting how to modify them. To search for appropriate code to be modified, we define the roles of widgets according to their purpose and the patterns for how to change GUIs. In our method, how to change GUIs is specified, and then the parts of source programs that are required to be modified are searched for. Also, we classify methods for each widget according to their functions. Using this classification, a method of modifying the code that is searched for is suggested.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • 要求仕様とモデルの共通性・可変性分析によるソフトウェアプロダクトライン構築

    松本 卓郎, 久保 淳人, 鷲崎 弘宜, 深澤良彰

    第70回情報処理学会全国大会, March 13-15, 2008.    2008.03

  • 学習管理システムJapricoとその特徴

    深澤良彰

    平成19年度大学教育・情報戦略大会, 私立大学情報教育協会     241 - 244  2008.03

  • レジスタ干渉グラフの分割による高速化手法に関する研究

    山崎 敬史, 中林 淳一郎, 片岡 正樹, 古関 聰, 小松 秀昭, 深澤 良彰

    第70回情報処理学会全国大会    2008.03

  • ガイドラインに則したGUIレイアウトの自動調整手法

    福本丈晃, 岩田一, 白銀純子, 深澤良彰

    電子情報通信学会2008年総合大会    2008.03

  • Webサイトの画像に対する代替テキスト記述の評価手法

    柳田育孝, 橘賢二, 岩田一, 白銀純子, 深澤良彰

    電子情報通信学会2008年度総合大会    2008.03

  • MDA体系に沿ったGUIモデル変換手法

    迎田宙, 岩田一, 白銀純子, 深澤良彰

    電子情報通信学会 情報・システムソサイエティ ソフトウェアサイエンス研究会(SIGSS)    2008.03

  • プロダクトラインのスコープ定義におけるカバー率と対応度によるコアアセット可視化手法

    位野木万里, 深澤良彰

    情報処理学会論文誌   48 ( 2 ) 968 - 987  2008.02  [Refereed]

     View Summary

    Core asset scoping is an essential activity that provides economic impact on product line driven software development. In the enterprise that has several product lines, it is necessary to judge in which product line to invest appropriately by using the result of the scope definition. In this paper, we propose a core asset scoping method on the basis of two metrics: the levels of coverage and consistency of core assets. The method makes the scope of the core assets and the positioning of individual product lines in the enterprise visible.

    CiNii

  • Method of generating operation map from source programs for operation learning

    Hajime Iwata, Daisuke Kuroiwa, Junko Shirogane, Yoshiaki Fukazawa

    IMECS 2008: INTERNATIONAL MULTICONFERENCE OF ENGINEERS AND COMPUTER SCIENTISTS, VOLS I AND II     891 - 896  2008  [Refereed]

     View Summary

    Many complicated software packages make the operation difficult for end users. To acquire the skills for software operation, supporting end users to learn operating methods by themselves is effective. When in learning operating methods, it is important for end users to check the overview of the operating methods and their current step in the sequence of operations. On the basis of the overview and their current step, end users can consider how to operate the software to achieve their goal. For this purpose, we consider that "operation maps" are effective. Operation maps show the sequences of window switching in the software. Also, in operation maps, the window on currently focused is emphasized. This window can be considered as the current step of an end user. To realize operation maps easily, we propose a method of generating operation maps from the source programs of the software. In this paper, we describe how operation maps can be generated by extracting window information, such as the titles and widget types of windows, from source programs.

  • Region-based sensor selection for wireless sensor networks

    Yoshiyuki Nakamura, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    Proceedings - IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing     326 - 331  2008

     View Summary

    In a sensor network, the technique that limits the number of sensors used for observation is effective to reduce the energy consumption of each sensor. To limit the number of sensors without sacrificing observation accuracy, an appropriate sensor combination must be selected by evaluating the observation effectiveness of various combinations. However, the computational workload for evaluating all the sensor combinations is quite large. We can define a parameter related to the optimal size of a region around an observation target by making a trade-off between accuracy and the computational workload. In region-based sensor selection, a combination of sensors is selected from that is near the observation target. Accuracy is better in a larger region with a lot of sensors, but the computational workload is heavier. In contrast, a smaller region with fewer sensors has poorer accuracy, but a lighter workload. The size of the region controls the trade-off between accuracy and the computational workload. We define a parameter related to the optimal size of a region, and use it to dynamically adjust the region's size. Our simulations confirmed that region-based sensor selection reduces the computational workload and improves accuracy in comparison to existing techniques. © 2008 IEEE.

    DOI

    Scopus

    4
    Citation
    (Scopus)
  • 非再試行型レジスタ割付けとその評価

    片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会論文誌誌:プログラミング   Vol.49 ( No.SIG1(PRO35) ) 96 - 102  2008

     View Summary

    Graph coloring is effective for architectures with a large number of registers, because the results of register allocation are optimal if there is no spill code. However, this algorithm has a problem that it particularly takes long time in register allocation for architectures with a small number of registers, because the algorithm iterates the entire process that an inter-ference graph must be rebuilt by spilling live range of a variable until the graph becomes colorable. Thus, we propose a new faster register allocation algorithm in a static compiler for architectures with a small number of registers by using an interference graph with weighted bidirectional edges. Our method applies colors of more than K-colors to virtual registers if K is the numbers of physical registers. Then the number of colors is reduced to K-colors by insertion of spill codes with only transformation of the graph. Thus, our method enables to allocate registers fast and to reduce spill codes in generated codes. A compiler that our method is applied to runs about 8% faster than GNU C Compiler version 3.4.4 (gcc-3.4.4). Also, the codes generated by our compiler run about 5% faster than the codes generated by gcc-3.4.4 in the Stanford Benchmark.

    CiNii

  • 重要度算出に基づくソフトウェアパターン検索システム

    中山弘之, 久保淳人, 鷲崎弘宜, 深澤良彰

    コンピュータソフトウェア   Vol.25 ( No.2 ) 114 - 134  2008

  • Accessibility Evaluation for GUI Software Using Source Programs

    Junko Shirogane, Takashi Mori, Hajime Iwata, Yoshiaki Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   180   135 - +  2008  [Refereed]

     View Summary

    Computers and software are now widely used in human society. With their dissemination, it becomes necessary for disabled and elderly people to use software. However, it is difficult to develop accessible software for them. Also, there are many guidelines and support tools for developing accessible web sites. However, for software, such guidelines and support tools are few. In our research, to develop accessible software easily, we propose a method of evaluating the accessibility of Graphical User Interface (GUI) software. In our method, source programs of GUI software are analyzed, the accessibility of the GUI software is evaluated along with the accessibility guidelines, and the list of unsatisfactory codes for accessibility and indications on how to modify them are shown.

    DOI

    Scopus

  • A metrics suite for measuring quality characteristics of JavaBeans components

    Hironori Washizaki, Hiroki Hiraguchi, Yoshiaki Fukazawa

    PRODUCT-FOCUSED SOFTWARE PROCESS IMPROVEMENT, PROCEEDINGS   5089   45 - 60  2008  [Refereed]

     View Summary

    In component-based software development, it is necessary to measure the quality of components before they are built into the system in order to ensure the high quality of the entire system. However, in application development with component reuse, it is difficult to use conventional metrics because the source codes of components cannot be obtained, and these metrics require analysis of source codes. Moreover, conventional techniques do not cover the whole of quality characteristics. In this paper, we propose a suite of metrics for measuring quality of JavaBeans components based on limited information that can be obtained from the outside of components without any source codes. Our suite consists of 21 metrics, which are associated with quality characteristics based on the ISO9126 quality model. Our suite utilizes the qualitative evaluation data available on WWW to empirically identify effective metrics, and to derive a reference value (threshold) for each metric. As a result of evaluation experiments, it is found our suite can be used to effectively identify black-box components with high quality. Moreover we confirmed that our suite can form a systematic framework for component quality metrics that includes conventional metrics and newly defined metrics.

  • Correspondence Validation Method for GUI Operations and Scenarios by Operation History Analysis

    Junko Shirogane, Yoshiaki Fukazawa

    Proc. of the 2008 International Conference on Intelligent User Interfaces     13 - 16  2008.01

    CiNii

  • A Flexible Protocol Composition for Multi-party Coordination Protocols in Multi-agent Systems

    Ryuichi Takahashi, Kenji Tei, Yoshiaki Fukazawa, Fuyuki Ishikawa, Shinichi Honiden

    2008 IEEE INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND COMMUNICATIONS     609 - +  2008  [Refereed]

     View Summary

    Multi-agent systems need protocols to coordinate among agents implemented by different owners. However specifying coordination protocols for many participating agents is a complex task. A protocol composition approach, which can reduce the complexity of specifying such a coordination protocol, must specify how to compose coordination protocols in a composition configuration. Current protocol compositions cannot sufficiently reduce the complexity because composing a protocol several times requires the specification of too many configurations. We propose a protocol composition approach that can specify composition configurations in an abstract way. We assign metadata to the messages in a coordination protocol and use the metadata to specify the configuration. An abstract configuration using metadata can be applied to various protocol compositions and can reduce the number of specifications required for configuration composition.

  • Classifying security patterns

    Eduardo B. Fernandez, Hironori Washizaki, Nobukazu Yoshioka, Atsuto Kubo, Yoshiaki Fukazawa

    PROGRESS IN WWW RESEARCH AND DEVELOPMENT, PROCEEDINGS   4976   342 - +  2008  [Refereed]

     View Summary

    Patterns combine experience and good practices to develop basic models that can be used for new designs. Security patterns join the extensive knowledge accumulated about security with the structure provided by patterns to provide guidelines for secure system design and evaluation. In addition to their value for new system design, security patterns are useful to evaluate existing systems. They are also useful to compare security standards and to verify that products comply with some standard. A variety of security patterns has been developed for the construction of secure systems and catalogs of them are appearing. However, catalogs of patterns are not enough because the designer does not know when and where to apply them, especially in a large complex system. We discuss here several ways to classify patterns. We show a way to use these classifications through pattern diagrams where a designer can navigate to perform her pattern selection.

  • Coordination Protocol Composition Approach Using Metadata in Multi-agent Systems

    Ryuichi Takahashi, Kenji Tei, Yoshiaki Fukazawa, Fuyuki Ishikawa, Shinichi Honiden

    EDOC 2008: 12TH IEEE INTERNATIONAL ENTERPRISE DISTRIBUTED OBJECT COMPUTING, PROCEEDINGS     372 - +  2008  [Refereed]

     View Summary

    In e-Business, agents need to coordinate with each other Coordination protocols that specify the defining orders of message passing are very important. The scale of e-Business grows with the advancement of technology, and the number of agents involved continues to increase. Specifying the coordination protocols for so many participating agents is a complex task. A coordination protocol composition approach reduces the complexity of specifying such a coordination protocol. It treats coordination protocols as individual parts and composes them to construct the intended protocols. However existing approaches do not sufficiently reduce the complexity when a coordination protocol is composed several times, because too many configurations are required to specify a composition. A new approach is proposed that uses metadata to specify the compositions by specifying only one configuration. It can reduce the number of configurations when a coordination protocol is composed several times.

    DOI

    Scopus

    1
    Citation
    (Scopus)
  • Design Pattern Detection Using Source Code of Before Applying Design Patterns

    Kazuhiro Fukaya, Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    1st International Workshop on Software Patterns and Quality (SPAQu'07) at the 14th Asia Pacific Software Engineering Conference    2007.12

  • Extracting Relationships among Security Patterns

    Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    1st International Workshop on Software Patterns and Quality (SPAQu'07) co-located with the 14th Asia Pacific Software Engineering Conference     31 - 36  2007.12

  • 操作履歴解析によるシナリオとGUI操作との整合性検証手法

    白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE2007)     15 - 24  2007.11

  • 操作学習支援システム生成におけるログの解析利用

    岩田一, 白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE2007)     167 - 172  2007.11

  • モデル駆動開発におけるソフトウェア測定法の変換による再利用

    原浩太, 久保淳人, 鷲崎弘宜, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE2007)     143 - 148  2007.11

  • パターン適用前の状況を活用したデザインパターン検出

    深谷和宏, 久保淳人, 鷲崎弘宜, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE2007)     95 - 104  2007.11

  • Java EE アプリケーションにおける実装からの層状構造判別法

    斉藤勇樹, 小野康一, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE2007)     215 - 220  2007.11

  • Adaptive Representation of Graph Shapes by Musical Scales for The Visual Impaired

    Junko Shirogane, Shinsuke Asano, Kenji Tachibana, Hajime Iwata, Yoshiaki Fukazawa

    IADIS International Conference WWW/Internet 2007    2007.10  [Refereed]

  • ユビキタスコンピューティングにおける分散協調・連携技術の研究動向

    石川冬樹, 阿部玲, 高橋竜一, 吉岡信和, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム2007 (JAWS2007)   25 ( 4 ) 133 - 144  2007.10

    CiNii

  • ユビキタスコンピューティングにおけるコンテキストのモデル化,管理に関する研究動向

    中村善行, 清家良太, 鄭顕志, 吉岡信和, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム2007 (JAWS2007)    2007.10

  • ユビキタスコンピューティングにおけるアプリケーション開発手法に関する研究動向

    鄭顕志, 中川博之, 川俣洋次郎, 吉岡信和, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム2007 (JAWS2007)    2007.10

  • マルチエージェントシステムにおける柔軟なプロトコル合成言語

    高橋竜一, 鄭顕志, 石川冬樹, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム2007 (JAWS2007)    2007.10

  • Real-time POI Detection and Rating Using Floating Car Data

    Osamu Masutani, Hirotoshi Iwasaki, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    The 14th World Congress on Intelligent Transport Systems, October 9-13, 2007    2007.10

  • MDAモデル変換によるGUIプロトタイプ生成手法

    迎田宙, 岩田一, 白銀純子, 深澤良彰

    第6回情報科学技術フォーラム(FIT2007)    2007.09

  • 非再試行型レジスタ割付けとその評価

    片岡 正樹, 古関 聰, 小松 秀昭, 深澤 良彰

    2007年並列/分散/協調処理に関する『旭川』サマー・ワークショップ(SWoPP旭川2007)    2007.08

  • 生存区間分割時に発生する偽干渉を避けるための同時コピー中間コードの利用

    中林淳一郎, 片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    2007年並列/分散/協調処理に関する『旭川』サマー・ワークショップ(SWoPP旭川2007), 情処研報   Vol.2007, No.79 ( 79 ) 91 - 96  2007.08

     View Summary

    Graph coloring is a typical technique of register allocation. But it has a problem to generate redundant spill codes easily. To solve this problem, some techniques of live-range splitting have been proposed. However, previous techniques generate pseudo-interference that disturb optimal register allocation. We propose a new technique of live-range splitting that can avoid to generate pseudo-interference by defining and using concurrent-copy intermediate code in this paper. Our experimental results have shown that our technique improves the performance of a compiler by maximum of about 6%.

    CiNii

  • Webアプリケーションのページ遷移の自動抽出と検証

    久保淳人, 鷲崎弘宜, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2007    2007.08

  • 無線センサーネットワークにおける計測処理記述のためのデザインパターンの抽出と適用

    鄭顕志, 深澤良彰, 本位田真一

    マルチメディア, 分散, 協調とモバイルシンポジウム (DICOMO2007)    2007.07

  • 学習管理システムJapricoの開発とその評価

    深澤良彰, 梅沢 功, 藤田 彰, 小豆川泰男

    平成19年度全国大学IT活用教育方法研究発表会, 私立大学情報教育協会, C-6     66 - 67  2007.07

  • MANETにおけるコスト基準経路探索プロトコルへのコスト基準拡張リング探索の適用

    河村美嗣, 鄭顕志, 深澤良彰, 本位田真一

    マルチメディア, 分散, 協調とモバイルシンポジウム (DICOMO2007)    2007.07

  • KAOSによる無線センサーネットワークのための計測処理中間モデルの導出

    鄭顕志, 深澤良彰, 本位田真一

    マルチメディア, 分散, 協調とモバイルシンポジウム (DICOMO2007)    2007.07

  • Non-Retrial Register Allocation and Its Spill Optimization Method

    Masaki Kataoka, Akira Koseki, Hideaki Komatsu, Yoshiaki Fukazawa

    The 2007 International Conference on Parallel and Distributed Processing Techniques and Applications    2007.06

  • UMLクラス図のためのテキストベース言語および変換処理系

    長谷部篤史, 鷲崎 弘宜, 久保 淳人, 深澤良彰

    情報処理学会第69全国大会    2007.03

  • Javaにおけるリフレクションの特殊化

    杉本駿, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会第69回全国大会    2007.03

  • ログ解析による操作学習支援システム自動生成

    岩田一, 白銀純子, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会,信学技報   vol. 106, SS2006-81   13 - 18  2007.02

  • Measuring Abstraction Levels of Security Patterns

    Hironori Washizaki, Atsuto Kubo, Yoshiaki Fukazawa

    Proceedings of the 1st International Workshop on Software Patterns and Quality (SPAQu'07)     59 - 60  2007  [Refereed]

  • Automatic Extraction and Verification of Page Transitions in a Web Application

    Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    Proc. 15th Asia-Pacific Software Engineering Conference     350 - 357  2007  [Refereed]

    DOI CiNii

  • オブジェクト指向ソフトウェア設計における原則とパターン

    鷲崎弘宜, 久保淳人, 深澤良彰, 山本里枝子, 本位田真一

    情報処理学会ウィンターワークショップ2007・イン・那覇論文集    2007  [Refereed]

  • Generating Wizards for Initializing Software Components

    Hironori Washizaki, Takao Adachi, Yoshiaki Fukazawa

    Proc. IEEE 7th International Conference on Computer and Information Technology    2007  [Refereed]

    DOI

  • A sensor middleware for lightweight relocatable sensing programs

    Makoto Ishiguro, Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    CIMCA 2006: International Conference on Computational Intelligence for Modelling, Control and Automation, Jointly with IAWTIC 2006: International Conference on Intelligent Agents Web Technologies ...    2007

     View Summary

    Wireless sensor networks (WSNs) have attracted attention in recent years. Many sensors will be equipped in buildings and provide data about the context of buildings in the future. We can provide many kinds of services that use various context information acquired from wireless sensor networks. However, sensing programs may not be able to be executed concurrently on the same sensor node because of sensors' resource restrictions. So, sensing programs sometimes have to relocate to other sensors if necessary. In this paper, we suggest a middleware for the relocation of a sensing program. Considering severe resource restrictions in a wireless sensor network, we can make a sensing program with a small code footprint. © 2006 IEEE.

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • Introducing auction scheme to route allocation to prolong the lifetime of ad-hoc networks

    Kenji Tei, Hiromi Muto, Yoshiaki Fukazawa, Shinichi Honiden

    CIMCA 2006: International Conference on Computational Intelligence for Modelling, Control and Automation, Jointly with IAWTIC 2006: International Conference on Intelligent Agents Web Technologies ...    2007

     View Summary

    Prolonging a network lifetime is one of crucial issues of message routing protocol in mobile ad-hoc networks (MANETs), because MANETs consist of mobile devices powered by batteries. Previous routing protocols focus on route selection by a message sender to balance message forwarding load. However, in this approach, message routes determined by different senders cannot be coordinated, because each sender selects its message route independently. In this paper, we propose an auction-based route allocation scheme where message routes are determined by auctions between message senders and forwarders, and apply the route allocation scheme to the Dynamic Source Routing protocol. Simulation results show the DSR protocol with our allocation scheme can prolong the network lifetime comparing with the routing protocol proposed in the previous works. © 2006 IEEE.

    DOI

    Scopus

    3
    Citation
    (Scopus)
  • 開発情報からのチュートリアルシステム自動生成手法とその評価

    岩田一, 白銀純子, 深澤良彰

    コンピュータソフトウェア   Vol.24, ( No,3 ) 63 - 74  2007

    CiNii

  • プロダクトラインの開発と進化:パターン指向コアアセット改善手法

    位野木万里, 深澤良彰

    情報処理学会論文誌   Vol.48 ( No.8 ) 2508 - 2521  2007

  • エンタープライズ系アプリケーションシステム向けプロダクトライン構築手法:プラクティスの適応

    位野木万里, 橋本憲之, 吉田和樹, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2007 (SES2007)    2007

  • エンタープライズ系アプリケーションシステム向けプロダクトライン構築のためのプラクティス

    位野木万里, 橋本憲之, 吉田和樹, 深澤良彰

    第14回ソフトウェア工学の基礎ワークショップ (FOSE2007)    2007

  • 文書類似度によるパターン間関連分析手法の拡張

    久保淳人, 鷲崎弘宜, 高須淳宏, 深澤良彰

    ウィンターワークショップ2007・イン・那覇    2007.01

  • パターンランク法 によるパターン間関係と重要度の比較

    中山弘之, 鷲崎弘宜, 久保淳人, 深澤良彰

    ウィンターワークショッ プ2007・イン・那覇    2007.01

  • Support method for changing GUIs according to roles of widgets and change patterns

    Junko Shirogane, Hajime Iwata, Kazuhiro Fukaya, Yoshiaki Fukazawa

    IMECS 2007: INTERNATIONAL MULTICONFERENCE OF ENGINEERS AND COMPUTER SCIENTISTS, VOLS I AND II     1098 - +  2007  [Refereed]

     View Summary

    To develop usable software, it is necessary to develop GUIs in iterative steps, such as evaluating usability of GUIs and improving GUIs. In improving GUIs, developers are often required to modify not only GUI codes but also logic codes of the software. In our research, to make GUI improvement easy, we propose a method for automatically searching for modification codes which developers are required to modify and suggesting how to modify them. To search for more appropriate modification codes, we define roles of widgets according to purposes of usages and patterns for how to change GUIs.

  • Software Product Line Evolution Method Based on Kaizen Approach

    Mari Inoki, Yoshiaki Fukazawa

    APPLIED COMPUTING 2007, VOL 1 AND 2     1207 - +  2007  [Refereed]

     View Summary

    Continuing optimal product line development needs to evolve core assets in response to market, technology or organization changes. In this paper, we propose a product line evolution method based on the kaizen approach. Kaizen is a continuous improvement method that is adopted in Japanese industry. The important points of the kaizen are to prepare a work standard and continue to improve processes by correcting the differences between the standard and actual results. Our core asset kaizen method provides a standard that includes core asset types based on simple metrics, kaizen patterns representing expertise, and kaizen processes for continuous improvement.

  • Applying design patterns to wireless sensor network programming

    Kenji Tei, Yoshiaki Fukazawa, Shinichi Honiden

    PROCEEDINGS - 16TH INTERNATIONAL CONFERENCE ON COMPUTER COMMUNICATIONS AND NETWORKS, VOLS 1-3     1099 - +  2007  [Refereed]

     View Summary

    Middleware for wireless sensor network (WSN) abstracts a network as an entity and hides programming difficulties from programmers. Many middlewares have been proposed, but they use different programming languages to manipulate functions in WSNs. This inhibits usability when manipulating multiple WSNs managed by different middlewares, because the primitives of each language have different descriptive capabilities. In this paper, we propose and apply design patterns in WSN programming to complement the capabilities of language primitives, and discuss the effectiveness of these design patterns. First, we discuss major middleware languages and compare the capabilities of their primitives. Second, we extract design patterns from the representative middlewares to cover the missing capabilities identified in the comparison. Finally, we discuss the effectiveness of design patterns for WSN programming. The discussion indicates that design patterns improve the usability of manipulating multiple WSNs.

  • A metric for measuring the abstraction level of design patterns

    Atsuto Kubo, Hironori Washizaki, Yoshiaki Fukazawa

    ACM International Conference Proceeding Series    2007

     View Summary

    The abstraction level of the problem treated by a design pattern has wide variety, from architecture to near implementation. There is no objective metric indicating the abstraction level of the problems addressed by patterns. Thus, it is difficult to understand the abstraction level of each pattern and to position a new pattern. In this paper, a metric is proposed. It indicates the relative abstraction level of a pattern's problem. We propose a metric obtained from inter-pattern relationships. We also propose a visualization method for the metric. Using such metrics, we aim to help developers easily understand the abstraction level of each pattern and, therefore, to better decide about its usefulness for the problem at hand. © 2007 Copyright is held by the authors.

    DOI

    Scopus

  • MANET における省資源性を考慮した位置依存情報収集手法

    鄭顕志, 深澤良彰, 本位田真一

    電子情報通信学会論文誌   Vol.J89-D ( No.12 ) 2625 - 2636  2006.12

    CiNii

  • 文書間類似度によるソフトウェアパターン間関連分析と複合関連の導出

    久保 淳人, 鷲崎 弘宜, 高須 淳宏, 深澤 良彰

    情報処理学会 第154回ソフトウェア工学研究会(SIGSE-154)   2006 ( 125 ) 65 - 72  2006.11

     View Summary

    By using software patterns, developers can reuse knowledge obtained from experts' empirical rule. Analysis of Inter-pattern relationships is important, but analysis by human costs a lot. In this paper, we propose an automated inter-pattern relationship analysis method. Our method includes a pattern model and two inter-pattern relationship models, and uses several natural language processing techniques such as TF-IDF weighting.

    CiNii

  • モデル検査によるステートチャートとシーケンスチャートの整合性検証

    長谷川哲夫, 深澤良彰

    電子情報通信学会,人工知能と知識処理研究会研究報告   Vol.2006-11-AI ( 340 ) 41 - 46  2006.11

     View Summary

    In the software field of embedded systems, where many kinds of systems must be developed in a short term and low-cost, a model checking that is one of automatic design verification techniques is expected to be easy to use for a software designers. In this paper, a method generating an observer for the model checking tool UPPAAL from sequence charts, which is usually made by designers, is proposed. Also it is reported the result of applying this method to a communication system.

    CiNii

  • ソフトウェア設計パターンの抽象度測定法

    久保淳人, 鷲崎弘宜, 高須淳宏, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2006)    2006.11

    CiNii

  • コンポーネント指向Webアプリケーションフレームワークにおけるモジュール性の向上のための一手法

    荻野慶, 小野康一, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2006)    2006.11

  • MVC Model2 への通知予約/変化通知機構の導入

    小原圭央, 鈴木恒一, 白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2006)    2006.11

  • プロダクトラインの開発と進化 : パターン活用手法の提案

    位野木万理, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2006    2006.10

  • 無線センサーネットワークミドルウェアの研究動向とエージェント技術の適用可能性

    鄭顕志, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム (JAWS2006)    2006.10

    CiNii

  • センサーの資源制約を考慮したセンシングプログラムの退避行動手法の提案

    石黒真, 鄭顕志, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム (JAWS2006)    2006.10

  • GUIソフトウェアに対するアクセシビリティチェック

    森崇,岩田一, 白銀純子, 深澤良彰

    ソフトウェアエンジニアリングシンポジウム2006 (SES2006)    2006.10

  • 要求パターン抽出支援ツールの提案

    久保淳人, 鷲崎弘宜, 深澤良彰

    21st IEEE/ACM International Conference on Automated Software Engineering (ASE2006) Japanese Workshop on Requirements Engineering Tools    2006.09

  • Web上におけるソフト ウェアパターン検索システム

    中山弘之, 鷲崎弘宜, 久保淳人, 深澤良彰

    21st IEEE/ACM International Conference on Automated Software Engineering (ASE2006) Japanese Workshop on Leveraging Web2.0 Technologies in Software Development Environments (WebSDE)    2006.09

  • Measuring Complexity of Remote Component-Based Software System Toward Maintainability Estimation

    Hironori Washizaki, Tomoki Nakagawa, Yuhki Saito, Yoshiaki Fukazawa

    International e-Conference on Computer Science 2006 (IeCCS 2006)    2006.07  [Refereed]

  • センシングプログラムの軽量な退避行動を実現するセンサーミドルウェア開発

    石黒真, 鄭顕志, 深澤良彰, 本位田真一

    マルチメディア,分散,協調とモバイルシンポジウム (DICOMO2006)    2006.07

  • MVC Model2への通知予約/変化通知機構の導入

    小原圭央, 鈴木恒一, 深澤良彰

    マルチメディア,分散,協調とモバイルシンポジウム (DICOMO2006)    2006.07

  • MANETにおける送信遅延と電力消費を考慮したルーティングプロトコルの提案

    河村美嗣, 鄭顕志, 深澤良彰, 本位田真一

    マルチメディア,分散,協調とモバイルシンポジウム (DICOMO2006)    2006.07

  • MANETにおける情報収集プログラム再配備手法の提案と評価

    鄭顕志, 深澤良彰, 本位田真一

    マルチメディア,分散,協調とモバイルシンポジウム (DICOMO2006)    2006.07

  • A flexible connection model for software components

    H Washizaki, D Hoshi, Y Fukazawa

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E89D ( 4 ) 1421 - 1431  2006.04  [Refereed]

     View Summary

    A component connection enables a component to use the functionality of other components directly, without generating adapters or other mechanisms at run-time. In conventional component connection models, the connection between components, particularly third-party components, is very costly for code reuse because the component source code must be modified if the types of requester-side and provider-side are different. This paper proposes a new component model, built upon an existing component architecture, which abandons a component service type and connects components based on a method type collection of the provider and requester components. Our model enables flexible connections owing to relaxed component matching, in which the system that implements our model automatically converts values of parameters, return values, and exceptions between required methods and provided ones within a well-defined range. As a result of experimental evaluations, it is found that our model is superior to conventional models in terms of the component-use cost and the capability of changing connections.

    DOI

    Scopus

  • Visualization of Binary Component-based Software Structure with Component Functional Size

    Hironori Washizaki, Satoru Takano, Yoshiaki Fukazawa

    the International Conference on Applied Computer Science (ACOS'06)    2006.04

  • 分岐の相関を利用した効率的なパスプロファイリング

    野崎晋也, 片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    第58回プログラミング研究会(PRO-2005-5)    2006.03

  • 非再試行型レジスタ割付けとそのスピル最適化手法

    片岡正樹, 小川健一, 古関聰, 小松秀昭, 深澤良彰

    第8回プログラミングおよびプログラミング言語ワークショップ(PPL2006)    2006.03

  • 音階表現によるグラフ形状の理解支援

    浅野真介, 橘賢二, 岩田一, 白銀純子, 深澤良彰

    電子情報通信学会福祉情報工学研究会,第29回研究会    2006.03

  • シーケンス図からの時間性能モデル検査用オブザーバ生成手法

    長谷川哲夫, 深澤良彰

    情報処理学会研究報告   Vol.2006 ( 35 ) 143 - 150  2006.03

     View Summary

    In the software field of mass products such as embedded systems, an error cause high correction cost after shipping. But many kinds of systems must be developed in a short term and low-cost. Then it may be impossible comprehensive design review by human resources. So model checking that is one of automatic design verification techniques is expected to be easy to use for software designer. In this paper, a method generating an observer for the model checking tool UPPAAL from a sequence chart, which is usually made by designers, is proposed. Also it is reported the result of applying this method to a communication systems.

    CiNii

  • Java GUIプログラムに対するアクセシビリティチェック

    森 崇, 岩田一, 白銀純子, 深澤良彰

    電子情報通信学会福祉情報工学研究会 第29回研究会   105 ( 684 ) 53 - 58  2006.03

     View Summary

    In recent years, computers and networks spread widely and play important role for a social life. Then, necessity of the computer use becomes larger for the challenged persons. However, computer software are not always available for challenged persons. So, it is necessary to develop the software with considering those persons. Comparing with a Web site that has many kind of guidelines and support tools, correspondence of software is to slow. In our research, we propose a method for analyzing a source code of a GUI program written by Java, and finding the problems of the program for challenged persons and senior citizon based on the guidelines.

    CiNii

  • ページ・機能のモジュール性を高めるWebアプリケーションフレームワークの提案

    原口孝雄, 小野康一, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会, 2006年2月研究会    2006.02

  • Automatic generation of software component wizards based on the wizard pattern

    Hironori Washizaki, Shinichi Honiden, Rieko Yamamoto, Takao Adachi, Yoshiaki Fukazawa

    ADVANCES IN SYSTEMS, COMPUTING SCIENCES AND SOFTWARE ENGINEERING     61 - +  2006  [Refereed]

     View Summary

    When a software component is used, it is often necessary to set initial values in many of its attributes. To set these initial values appropriately, the user of the component must ascertain which attributes are needed to be initialized, and set them programmatically to suitable initial values. The work involved in this sort of initialization can be alleviated by attaching a wizard interface to the target component itself and setting the initial values visually from the wizard. However, there are large development costs associated with devising suitable initial value candidates and producing a new wizard to use these initial values for each individual component. In this paper, we propose a system whereby application programs that use a target component are subjected to dynamic analysis to discover which attributes and initial values are set most often during the running of the component. The proposed system generates and attaches a wizard, which supports application programmers to initialize the component visually by using these initial values, to the component. The proposed system can be recognized as a system for applying the Wizard pattern to each component automatically. Experiments have shown that the attributes and their initial values chosen for initialization by generated wizards closely resemble the expectations of the component's original developers. We have thus confirmed that the proposed system can bring about a substantial reduction in wizard development costs.

  • Support Method for Source Code Modification in Changing GUI Widgets

    Junko Shirogane, Kazuhiro Fukaya, Yoshiaki Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   140   31 - +  2006  [Refereed]

     View Summary

    Recently, the expansion of the range of users has led to the increase in the importance of software usability. To realize usable software, it is efficient to repeat the process of evaluating and improving GUIs. In this process, it is often necessary to replace the GUI widgets. In this case, we have to change the connection between GUI codes and logic codes. However, it is difficult for developers to find and modify the codes to be changed in the source code. In this research, we propose a method of finding the modification codes in the source code automatically and of suggesting instructions on developers how to modify them.

  • Performance of pheromone model for predicting traffic congestion

    Yasushi Ando, Yoshiaki Fukazawa, Osamu Masutani, Hirotoshi Iwasaki, Shinichi Honiden

    Proceedings of the International Conference on Autonomous Agents   2006   73 - 80  2006

     View Summary

    Social insects perform complex tasks without top-down-style control, by sensing and depositing chemical markers called "pheromone". We have examined applications of this pheromone paradigm towards realizing intelligent transportation systems (ITS). Many of the current traffic management approaches require central processing with the usual risks of overload, bottlenecks and delay. Our work points towards a more decentralized approach that may overcome those risks. We use new category of the ITS infrastructure called the probe-car system. The probe-car system is an emerging data collection method, in which a number of vehicles are used as moving sensors to detect actual traffic situations. In this paper, a car is regarded as a social insect that deposits multi-semantics of (digital) pheromone on the basis of sensed traffic information. We have developed a basic model for predicting traffic congestion in the immediate future using pheromone. In the course of our experimentation, we have identified the need to properly tune the model to achieve acceptable performance. Therefore, we refined the model for practical use. We evaluate our method using real-world traffic data and results indicate applicability to prediction. Furthermore, we describe the practical implications of this method in the real world. Copyright 2006 ACM.

    DOI

    Scopus

    49
    Citation
    (Scopus)
  • Extracting Relations among Embedded Software Design Patterns

    Atsuto Kubo, Hironori Washizaki, Atsuhiro Takasu, Yoshiaki Fukazawa

    Journal of Design &amp; Process Science    2006

  • A System for Visualizing Binary Component-based Program Structure with Component Functional Size

    Hironori Washizaki, Satoru Takano, Yoshiaki Fukazawa

    WSEAS Transactions on Information Science and Applications   Vol.7 ( No.3 ) 1222 - 1230  2006

  • 頻出メソッド管理テーブルを用いたinvokeinterface命令の実行高速化手法

    藤本勝平, 片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会 第57回プログラミング研究会    2006.01

  • 非対称関連によるソフトウェアパターンの粒度測定法

    久保淳人, 鷲崎弘宜, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ・イン・鴨川2006    2006.01

  • 統合化されたコンポーネント指向ソフトウェア開発環境の実現に関する研究

    深澤良彰, 鷲崎弘宜

    文部科学省科学研究費補助金特定領域研究, ITの深化の基盤を拓く情報学研究研究成果最終報告書, A01 新しいソフトウェアの実現    2006.01

  • 検索のためのソフトウェアパターン重要度とその正規化

    中山弘之, 鷲崎弘宜, 久保淳人, 深澤良彰

    情報処理学会ウィンターワークショップ2006・イン・鴨川論文集    2006.01

  • 業務システム開発における要求獲得パターンランゲージ

    鷲崎弘宜, 久保淳人, 深澤良彰

    情報処理学会ウィンターワークショップ2006・イン・鴨川論文集    2006.01

  • コンパイル速度の向上を目的とした非反復型レジスタ割付け手法

    小川健一, 片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    第57回プログラミング研究会(PRO-2005-4)    2006.01

  • Javaにおける例外 処理の実行時情報を利用した最適化

    廣澤健, 片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    第57回プログラミング研究会(PRO-2005-4)    2006.01

  • Automatic generation of tutorial systems from development specification

    H Iwata, J Shirogane, Y Fukazawa

    FUNDAMENTAL APPROACHES TO SOFTWARE ENGINEERING, PROCEEDINGS   3922   79 - 92  2006  [Refereed]

     View Summary

    Recent complicated software functions have made it difficult for end users to operate them. Thus, it becomes important to learn how to operate them easily and effectively. Employing a tutorial system is the most suitable approach for learning how to operate software functions. A tutorial system demonstrates the how to operate using the actual software. As a result, end users can learn the usage as if they were actually using the software. However, development of tutorial systems requires much time and costs. Therefore, we propose a method of generating tutorial systems based on use case diagrams, sequence diagrams and test cases. In our method, a generated tutorial system shows function names extracted from use case diagrams, the how to operate along with sequence diagrams, and text string input and item selection using data from test cases. The generated tutorial system is then added to the source code for use in AOP (aspect-oriented programming).

  • Adaptive geographically bound mobile agents

    K. Tei, Ch. Sommer, Y. Fukazawa, S. Honiden, P. -L. Garoche

    MOBILE AD-HOC AND SENSOR NETWORKS, PROCEEDINGS   4325   353 - +  2006  [Refereed]

     View Summary

    With the spread of mobile phones, the use of Mobile Adhoc NETworks (MANETs) for disaster recovery finally becomes feasible. Information retrieval from the catastrophic place is attended in an energy-efficient manner using the Geographically Bound Mobile Agent (GBMA) model. The GBMA, which is a mobile agent on MANETs that retrieves geographically bound data, migrates to remain in a designated region to maintain low energy consumption for data retrieval, and provides location based migration scheme to eliminate needless migration to reduce energy consumption. In the data retrieval using the GBMA model, survivability of the agent is important. In a MANET, a GBMA with retrieved data may be lost due to its host's death. The lost of the agent causes re-execution of the retrieval process, which depraves energy efficiency. We propose migration strategies of the GBMA to improve its survivability. In the migration strategies, the selection of the next host node is parameterized by node location, speed, connectivity, and battery level. Moreover, in the strategies, multiple migration trigger policies are defined to escape from a dying node. We present the implementation of migration strategies and confirm the achievements with several simulations. This finally leads to the adaptive Geographically Bound Mobile Agent model, which consumes even less energy.

  • A precise estimation technique for test coverage of components in object-oriented frameworks

    Yuji Sakata, Kazutoshi Yokoyama, Hironori Washizaki, Yoshiaki Fukazawa

    ASPEC 2006: 13TH ASIA-PACIFIC SOFTWARE ENGINEERING CONFERENCE, PROCEEDINGS     11 - 18  2006  [Refereed]

     View Summary

    In general, a component-based system uses only a part of the functions of its software components. Therefore, precise structural testing for components requires to specify what functions of the components are used in the system. In addition, in the case with an object-oriented component, some existing studies point out that testing of all possible bindings between a call site and the methods that the site may invoke is extremely ineffective. In this paper, we propose a method for precisely estimating test coverage of components on an object-oriented frame work by using its deployment descriptor and evaluate its effectiveness.

  • A coupling-based complexity metric for remote component-based software systems toward maintainability estimation

    Hironori Washizaki, Tomoki Nakagawa, Yuhki Saito, Yoshiaki Fukazawa

    ASPEC 2006: 13th Asia-Pacific Software Engineering Conference, Proceedings     79 - 86  2006  [Refereed]

     View Summary

    Remote-component-based software systems (CBS) must provide high maintainability to support operation over long periods of time and correspond to changes in enterprise requirements/environments. Measurements of the degree of complexity of a system are one technique for evaluating maintainability. However, conventional complexity metrics are unable to reflect the overall complexity of the system, because they do not incorporate a procedure to account for characteristics of CBS. To help maintenance work proceed smoothly, we propose a new metric that measures the coupling-based complexity of CBS by abstracting the target system's structure through a step-wise process and taking into consideration the characteristics of remote components. Our metric can be applied to CBS based on the Enterprise JavaBeans component architecture. As a result of experimental evaluations, it is found that our metric better reflects the maintainability than conventional metrics. It is also found that our metric is nonredundant with existing metrics such as Coupling Factor.

  • Automatic Generation of Software Component Wizards by Dynamic Analysis

    Hironori Washizaki, Takao Adachi, Yoshiaki Fukazawa

    International Joint Conferences on Computer,Information, and Systems Sciences, and Emgineering    2005.12  [Refereed]

  • Automatic Generation of Software Component Wizards based on the Wizard Pattern

    Hironori Washizaki, Shinichi Honiden, Rieko Yamamoto, Takao Adachi, Yoshiaki Fukazawa

    International Conference on Systems, Computing Sciences and Software Engineering    2005.12  [Refereed]

  • 大学におけるオープンソースソフトウェアの研究と実践

    深澤良彰

    日本e-Learning学会、2005年度学術講演会、特別講演    2005.11

  • 重要度算出に基づくソフトウェアパターン検索システム

    中山弘之, 鷲崎弘宜, 久保淳人, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2005)    2005.11

  • 開発情報からのチュートリアルシステム自動生成手法

    岩田一, 白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2005)    2005.11

  • 位置に束縛したモバイルエージェントによる位置依存情報の収集

    鄭顕志, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム(JAWS2005)    2005.11

  • プロダクトライン型ソフトウェア開発におけるコアアセット設計手法

    位野木万里, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2005)    2005.11

  • パターンマイニングによるソフトウェア要求の 獲得知識の記述

    久保淳人, 鷲崎弘宜, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2005)    2005.11

  • ソフトウェアの操作学習支援ツール:操作マップの自動生成手法

    黒岩大輔, 岩田一, 白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2005)    2005.11

  • オープンソースソフトウェアによる教務事務システム構築の経験

    深澤良彰

    第25回医療情報連合大会, 「医療におけるオープンソースの展開と課題」ワークショップ    2005.11

  • アドホックネットワーク上のメッセージルーティングへの市場原理の適用

    武藤宏美, 鄭顕志, 深澤良彰, 本位田真一

    合同エージェントワークショップ&シンポジウム(JAWS2005)    2005.11

  • Traffic Prediction using Pheromone Model

    Osamu Masutani, Hiroshi Sasaki, Hirotoshi Iwasaki, Yasushi Ando, Yoshiaki Fukazawa, Shinichi Honiden

    Proc. of 12th World Congress on Intelligent Transport Systems    2005.11

  • 組込みシステム開発におけるソフトウェアパターンの重要度

    中山弘之, 鷲崎弘宜, 久保淳人, 深澤良彰

    組込みソフトウェアシンポジウム2005    2005.10

  • フェロモンモデル: 交通渋滞予測への適用 (「ソフトウェアエージェントとその応用」特集号)

    安藤靖志, 深澤良彰, 増谷修, 佐々木宏, 岩崎弘利, 本位田真一

    電子情報通信学会論文誌   ( 2005 )  2005.09  [Refereed]

  • A Model-View Separation Architecture for GUI Application Components

    Hironori Washizaki, Yoshiaki Fukazawa

    Proc. of IEEE International Conference on Information Technology: Coding and Computing (ITCC2005),    2005.09

  • 音階を用いたグラフ形状の表現システム

    浅野真介, 橘賢二, 岩田一, 白銀純子, 深澤良彰

    第4回情報科学技術フォーラム(FIT2005)    2005.09

  • バイナリコンポーネントベースソフトウェアの構造の機能規模を伴う視覚化

    鷲崎弘宜, 高野悟, 深澤良彰

    日本ソフトウェア科学会第22回大会    2005.09

  • XCASTを利用した統合コミュニケーション環境の構築

    小原圭央, 鈴木恒一, 深澤良彰

    第4回情報科学技術フォーラム(FIT2005)    2005.09

  • Javaソースコードに対するアクセシビリティチェック

    森崇, 岩田一, 白銀純子, 深澤良彰

    第4回情報科学技術フォーラム(FIT2005)    2005.09

  • Generating Wizards for Software Components by Dynamic Analysis

    Hironori Washizaki, Takao Adachi, Yoshiaki Fukazawa

    Workshop on New Approaches to Software Construction (WNASC2005)    2005.09

  • コンポーネント指向Webアプリケーションフレームワークにおけるモジュール性の向上のための一手法

    荻野慶, 小野康一, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会, 2005年8月研究会    2005.08

  • Pheromone Model: Application to Traffic Congestion Prediction

    Osamu Masutani, Hiroshi Sasaki, Hirotoshi Iwasaki, Yasushi Ando, Yoshiaki Fukazawa, Shinichi Honiden

    4th International Conference on Autonomous Agents and Multi agent Systems     1275 - 1276  2005.07  [Refereed]

  • Extracting Relations among Embedded Software Design Patterns

    Atsuto Kubo, Hironori Washizaki, Atsuhiro Takasu, Yoshiaki Fukazawa

    Proc. of the 8th International Conference on Integrated Design and Process Technology (IDPT2005)    2005.06

    CiNii

  • A technique for automatic component extraction from object-oriented programs by refactoring

    H Washizaki, Y Fukazawa

    SCIENCE OF COMPUTER PROGRAMMING   56 ( 1-2 ) 99 - 116  2005.04  [Refereed]

     View Summary

    Component-based software development (CBD) is based on building software systems from previously-existing software components. In CBD, reuse of common parts in component form can reduce the development cost of new systems, and reduce the maintenance cost associated with the support of these systems. However, existing programs have usually been built using another paradigm, such as the object-oriented (00) paradigm. 00 programs cannot be reused rapidly or effectively in the CBD paradigm even if they contain reusable functions. In this paper, we propose a technique for extracting components from existing 00 programs by our new refactoring "Extract Component". Our technique of refactoring can identify and extract reusable components composed of classes from 00 programs, and modify the surrounding parts of extracted components in original programs. We have developed a system that performs our refactoring automatically and extracts Java-Beans components from Java programs. As a result of evaluation experiments, it is found that our system is useful for extracting reusable components along with usage examples from Java programs. (c) 2004 Elsevier B.V. All rights reserved.

    DOI

    Scopus

    40
    Citation
    (Scopus)
  • オブジェクト指向フレームワーク上のコンポーネントに対する 精度の高いテスト網羅率計測方式の提案

    坂田祐司, 岡本隆史, 横山和俊, 松田栄之, 鷲崎弘宜, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会, 2005年4月研究会   105 ( 24 ) 7 - 12  2005.04

     View Summary

    In general, a component-based system partially uses functions of software components. Therefore, precious structural testing for components requires to specify what functions of the components are used in the system. Besides, in the case with an object-oriented component, some existing studies point out that testing of all possible bindings between a call site and the methods that may be invoked by that site is extremely ineffective. In this paper, we propose a precious method for estimating test coverage metrics of components on an object-oriented framework by using its deployment descriptor.

    CiNii

  • Safe Component Extension for Adding Domain-Independent Services

    Hironori Washizaki, Yoshiaki Fukazawa

    Proc. of the IADIS Software Engineering and Applications 2005 Conference (SEA2005)    2005.04

  • MANET上の場所に束縛されたモバイルエージェント

    Kenji Tei, Nobukazu Yoshioka, Yoshiaki Fukazawa, Shinichi Honiden

    不明    2005.03  [Refereed]  [Invited]

  • プログラムの信頼性向上を目的とした補助スレッドの効率的利用

    本山英典, 古関聰, 小松秀昭, 深澤良彰

    第12回「ハイパフォーマンスコンピューティングとアーキテクチャの評価」に関する北海道ワークショップ(HOKKE-2005)    2005.03

  • Webサービス用リッチクライアントの自動生成に関する研究

    城野公臣, 深澤良彰

    情報処理学会第67回全国大会    2005.03

  • Webサービス自動選択のためのサービスブローカの導入とその一実装

    張晨, 山根一樹, 深澤良彰

    情報処理学会67回大会    2005.03

  • IPPに基づく論理回路の消費電力見積り手法

    酒井智史, 新井浩志, 深澤良彰

    電子情報通信学会    2005.03

  • Analyzing relations among software patterns based on document similarity

    A Kubo, H Washizaki, A Takasu, Y Fukazawa

    ITCC 2005: International Conference on Information Technology: Coding and Computing, Vol 2     298 - 303  2005

     View Summary

    In software development, many kinds of knowledge are shared and reused as software patterns. However the relation analysis among software patterns by hand is difficult on the large scale. In this paper we propose a technique for the automatic relation analysis among the patterns. Our technique is based on a new pattern model to treat various patterns, and utilizes exiting text processing techniques to extract patterns from documents and to calculate the strength of pattern relations. As a result of experiments, the system that implements our technique has extracted appropriate relations among patterns without information on relations described in original pattern documents. Moreover our system has the ability to suggest relations among patterns that the author has not noticed.

  • 二次利用を促進するコンテンツ管理モデル

    土方正夫, 深澤良彰, 蘆田良貴, 鈴木重徳, 佐野元之, 酒寄保隆

    情報システム学会, 第1回研究発表大会    2005

  • レジスタ生存グラフを用いたレジスタ割付けへのプロセッサ並列度の考慮

    片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会論文誌:プログラミング   46 ( SIG1 ) 10 - 18  2005

     View Summary

    We propose a register allocation and a code scheduling technique for instruction level parallel processors. We have suggested a method using Register Existence Graph generated from Guarded Program Dependence Graph in order to extract instruction level parallelism (ILP) in a program. This method is one of the methods considering both of the register allocation and the code scheduling, and can extract higher ILP compared to the previous methods. However, this method has a possibility of register shortage at the resource allocation phase because it reduces the interference among values in the live variables as if the processor has an infinite number of execution units, and therefore, unnecessary NOP instructions or spill instructions that move register values to and from memory are inserted at the resource allocation phase. In this paper, we introduce a method using pre-scheduling in order to extract higher ILP and avoid the above mentioned register shortage. The performance of this method is about 8% better than that of a previous method when applying it to some loop-intensive programs in the SPECint2000 benchmarks.

    CiNii

  • モバイルエージェントによるバッテリ切れ避難システム:EASTER

    粂野文洋, 金子平祐, 吉岡信和, 深澤良彰, 本位田真一

    電子情報通信学会論文誌   D-1, Vol.J88-D-1 ( No.9 ) 1388 - 1401  2005

  • フェロモンモデル: 交通渋滞予測への適用

    安藤靖志, 深澤良彰, 増谷修, 佐々木宏, 岩崎弘利, 本位田真一

    電子情報通信学会論文誌D-1   Vol.J88-D-1 ( 9 ) 1287 - 1298  2005

  • センシングプログラムの退避行動を考慮した柔軟なセンサーネットワーク構築

    石黒真, 鄭顕志, 深澤良彰, 本位田真一

    情報処理学会モバイルコンピューティングとユビキタス通信研究会, 第35回研究会    2005

  • A Web-based Trial Execution System for Software Components

    Hironori Washizaki, Mai Motomura, Yoshiaki Fukazawa

    WSEAS Transactions on Computers    2005

  • A Component-Extraction-based Program Reuse System

    Hironori Washizaki, Yoshiaki Fukazawa

    WSEAS Transactions on Information Science and Applications    2005

  • 文書類似度に基づくパターン間関連解析手法

    久保淳人, 鷲崎弘宜, 高須淳宏, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ・イン・伊豆2005    2005.01

  • 抽象化に基づくリモートコンポーネントベースシステムの複雑度測定

    中川知基, 鷲崎弘宜, 斉藤勇樹, 深澤良彰

    ソフトウェアテストシンポジウム2005(JaSST'05)    2005.01

  • 受け入れテストフレームワークFITによる高生産開発

    鷲崎弘宜

    ソフトウェアテストシンポジウム2005 (JaSST'05)    2005.01

  • ソフトウェアパターン検索システムの構築

    中山弘之, 鷲崎弘宜, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ・イン・伊豆2005    2005.01

  • ソフトウェアパターン・マイニングに関する考察

    鷲崎弘宜, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ・イン・伊豆2005    2005.01

  • スライシングによるバイナリで提供されたコンポーネントのテスト網羅率測定

    岡本隆史, 鷲崎弘宜, 横山和俊, 松田栄之, 深澤良彰

    情報処理学会ソフトウェア工学研究会ウィンターワークショップ・イン・伊豆2005    2005.01

  • Analyzing relations among software patterns based on document similarity

    A Kubo, H Washizaki, A Takasu, Y Fukazawa

    ITCC 2005: International Conference on Information Technology: Coding and Computing, Vol 2     298 - 303  2005  [Refereed]

     View Summary

    In software development, many kinds of knowledge are shared and reused as software patterns. However the relation analysis among software patterns by hand is difficult on the large scale. In this paper we propose a technique for the automatic relation analysis among the patterns. Our technique is based on a new pattern model to treat various patterns, and utilizes exiting text processing techniques to extract patterns from documents and to calculate the strength of pattern relations. As a result of experiments, the system that implements our technique has extracted appropriate relations among patterns without information on relations described in original pattern documents. Moreover our system has the ability to suggest relations among patterns that the author has not noticed.

  • Relation analysis among patterns on software development process

    H Washizaki, A Kubo, A Takasu, Y Fukazawa

    PRODUCT FOCUSED SOFTWARE PROCESS IMPROVEMENT, PROCEEDINGS   3547   299 - 313  2005  [Refereed]

     View Summary

    The activity of the software process improvement can be supported by reusing various kinds of knowledge on existing successful software processes in the form of process patterns. There are several catalogs of process patterns available on WWW; however, all of relations among patterns are closed in each pattern catalog. To acquire the cross-cutting relations over the different process pattern catalogs, we have applied the technique for the automatic relation analysis among the patterns. Our technique utilizes existing text processing techniques to extract patterns from documents and to calculate the strength of pattern relations. As a result of experimental evaluations, it is found that the system implementing our technique has extracted appropriate cross-cutting relations over the different process pattern catalogs without information on relations described in original pattern documents. These cross-cutting relations will be useful for dealing with larger problems than those dealt with by individual process patterns.

  • Pheromone model: Application to traffic congestion prediction

    Yasushi Ando, Osamu Masutani, Hiroshi Sasaki, Hirotoshi Iwasaki, Yoshiaki Fukazawa, Shinichi Honiden

    ENGINEERING SELF-ORGANISING SYSTEMS   3910   182 - 196  2005  [Refereed]

     View Summary

    Social insects perform complex tasks without top-down style control, by sensing and depositing chemical markers called "pheromone" We have examined applications of this pheromone paradigm towards intelligent transportation systems (ITS). Many of the current traffic management approaches require central processing with the usual risk for overload, bottlenecks and delays. Our work points towards a more decentralized approach that may overcome those risks. In this paper, a car is regarded as a social insect that deposits (electronic) pheromone on the road network. The pheromone represents density of traffic. We propose a method to predict traffic congestion of the immediate future through a pheromone mechanism without resorting to the use of a traffic control center. We evaluate our method using a simulation based on real-world traffic data and the results indicate applicability to prediction of immediate future traffic congestion. Furthermore, we describe the relationship between pheromone parameters and accuracy of prediction.

  • Geographically bound mobile agent in MANET

    K Tei, N Yoshioka, Y Fukazawa, S Honiden

    PROCEEDINGS OF MOBIQUITOUS 2005     516 - 518  2005  [Refereed]

     View Summary

    A location-specific data retrieval, which is data retrieval from nodes in a designated region at the time, is an attractive application in a Mobile Ad-hon Network (MANET). However, almost all nodes in a MANET are powered by batteries, the location-specific data retrieval should involve a small number of messages. In this paper, we use a mobile agent to retrieve the location-specific data. A mobile agent migrates to a node in a designated region, and retrieves data from nodes in this region. Since, after migration, the agent can communicate with nodes in the designated region through low overhead short length hops, the mobile agent can retrieve data at low message cost for long periods, even if the owner of this agent moves around. However, even after migrating to node in the designated region, in order to stay near this region, a mobile agent should migrate to other nodes in response to the movement of the node hosting this agent. In this paper, we propose the Geographically Bound Mobile Agent (GBMA) which is a mobile agent that periodically migrates in order to always be located in a designated region. In order to clarify where the GBMA should be located and when the GBMA starts to migrate, two geographic zones are set to the GBMA: required zone and expected zone. The required zone ease tracking of the GBMA, and the expected zone ease adjustment of the GBMA migration timing.

  • Using mobile agent for location-specific data retrieval in MANET

    K Tei, N Yoshioka, Y Fukazawa, S Honiden

    INTELLIGENCE IN COMMUNICATION SYSTEMS   190   157 - 168  2005  [Refereed]

     View Summary

    Location-specific data retrieval is an attractive application in a Mobile Ad-hoc Network (MANET). Simple solution for it is that an observer retrieves the data by geocasting from an observer node, but its overhead highly depends on location of the observer and the designated region. We propose a mobile agent approach. A mobile agent migrates from the observer node to a node in the designated region, retrieves data from there, and summarizes, filters, and compresses the retrieved data, This data is sent back to the observer, when the observer request. Since the data is retrieved by the mobile agent located near the data Sources, the data retrieval in the mobile agent approach would involve low overhead, even if the observer is far from the target region or moves around. In the MANET, however, even after the first migration; to stay near data Sources, a mobile agent should migrate to another node in response to node movements.. In this paper, we propose the Geographically Bound Mobile Agent (GBMA) which is a mobile agent that migrates to always be located in a designated region. Moreover, to clarify where the GBMA should be located and when the GBMA starts to migrate, we introduce two geographic zones: required zone and expected zone, Compared with the conventional methods with geocast or with a conventional mobile agent, the GBMA with these zones for retrieving location-specific data can reduce the total number of messages.

  • 文書中のパターン間の文書類似度による関連分析

    久保淳人, 鷲崎弘宜, 高須淳宏, 深澤良彰

    日本データベース学会論文誌 DBSJ Letters   3 ( 3 ) 13 - 16  2004.12

    CiNii

  • P2Pグリッドにおけるモバイルエージェントを用いた生存性の高いサービスの構築

    鄭顕志, 吉岡信和, 深澤良彰, 本位田真一

    第11回ソフトウェア工学の基礎ワークショップ(FOSE2004)    2004.12

  • 文書解析に基づくソフトウェアパターンの体系化

    久保淳人, 鷲崎弘宜, 深澤良彰

    第11回ソフトウェア工学の基礎ワークショップ(FOSE2004)    2004.11

  • Model 2アーキテクチャのコンポーネント間関係に基づいたWebアプリケーション開発支援

    石山智朗, 小野康一, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会   104 ( 467 ) 49 - 54  2004.11

     View Summary

    Model2 architectures forces a developer to design in consideration of the relation among three components based on the MVC pattern. We are studying the relationship information defined as a specification, and go into applying it to support modifying and extending the application. By permitting description of partial specification to the Web application, it also realizes partial support in development of a short term.

    CiNii

  • Generating Tutorial System from Sequence Diagrams in UML

    Hajime Iwata, Junko Shirogane, Yoshiaki Fukazawa

    Software Engineering and Applications (SEA 2004)    2004.11

  • 組み込みシステムパターンに対するパターン間関連分析手法の適用

    久保淳人, 鷲崎弘宜, 高須淳宏, 深澤良彰

    組込みソフトウェアシンポジウム2004(ESS2004)    2004.10

  • 再利用性の高いコンポーネント間接続方式の提案

    星大樹, 鷲崎弘宜, 深澤良彰

    情報処理学会ソフトウェアジャパン2004    2004.10

  • ホットスポットにおけるリソースレンタルシステムの提案と評価

    武藤宏美, 鄭顕志, 田原康之, 深澤良彰, 本位田真一

    エージェント合同シンポジウム(JAWS 2004)    2004.10

  • フェロモンモデル:交通渋滞予測への適用

    安藤靖志, 増谷修, 岩崎弘利, 本位田真一, 深澤良彰

    エージェント合同シンポジウム(JAWS 2004)    2004.10

  • P2Pグリッドにおけるサービスの効率的障害退避

    鄭顕志, 吉岡信和, 深澤良彰, 本位田真一

    エージェント合同シンポジウム(JAWS 2004)    2004.10

  • JavaBeansコンポーネントの品質メトリクスの提案

    鷲崎弘宜, 平口裕紀, 深澤良彰

    情報処理学会ソフトウェアジャパン2004    2004.10

  • A Technique of Transforming parts of Object-Orineted Class Library into Structurally Reusable Components, and ItsApplication

    Hironori Washizaki, Yoshiaki Fukazawa

    Proc.of 19th Annual ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages, and Applications    2004.10

  • 補助スレッドによるソフトウェアの信頼性向上

    本山英典, 古関聰, 小松秀昭, 深澤良彰

    第3回情報科学技術フォーラム(FIT2004)    2004.09

  • リモートコンポーネントベースシステムの保守のための複雑度測定

    中川知基, 鷲崎弘宜, 斉藤勇樹, 深澤良彰

    日本ソフトウェア科学会第21回大会    2004.09

  • リモートコンポーネントベースシステムの抽象化に基づく複雑度測定

    鷲崎弘宜, 中川知基, 斉藤勇樹, 深澤良彰

    日本ソフトウェア科学会第21回大会   21   7 - 7  2004.09

     View Summary

    In this paper, we propose a metric for measuring the complexity of remote component-based systems by using abstraction technique. As a result of evaluation experiments with a number of EJB applications, it is found that our metric can effectively measure the complexity that reflects the system's maintainability.

    DOI CiNii

  • ソフトウェアの操作学習支援をする操作マップの自動生成手法

    黒岩大輔, 岩田一, 白銀純子, 深澤良彰

    第3回情報科学技術フォーラム(FIT2004)    2004.09

  • A SearchSystem for Object-Oriented Programs by using Extracted Components

    Hironori Washizaki, Yoshiaki Fukazawa

    Proc. of Workshop on New Approaches to Software Construction (WNASC 2004)    2004.09

  • アスペクト指向技術の適用によるドメインフレームワークのモジュール性向上

    下之園孝, 小野康一, 深澤良彰

    情報処理学会論文誌   45 ( 6 ) 1546 - 1553  2004.06

  • レジスタ生存グラフを用いたレジスタ割付けへのプロセッサ並列度の考慮

    片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会 第49回プログラミング研究会    2004.05

  • A Conditional Test Suite for Fine-Grained Software Components

    Hironori Washizaki, Yuhki Sakai, Yoshiaki Fukazawa

    Proc. of 2nd ACIS International Conference on Software Engineering Research, Management and Applications (SERA2004)    2004.05

  • A support method for widget replacement to realize high usability and its evaluation

    J Shirogane, H Iwata, K Watanabe, Y Fukazawa

    IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS   E87D ( 4 ) 868 - 876  2004.04  [Refereed]

     View Summary

    In recent years, not only functionality but also usability have come to be required in software. In order to develop a highly usable GUI (Graphical User Interface) application, it is effective that end users evaluate their GUI and the results of the evaluation are reflected on the original GUI. In these cases, it is necessary to replace a widget with another widget, and to reconnect the new GUI part with the original body part. When widgets are replaced, the operations are usually changed, but the roles of the GUI are seldom changed. In this research, we propose a development method for GUI applications with easy operations and also a method of automatic reconnection between GUI parts and new body parts. This reconnection is realized by classifying widgets according to their roles and by replacing methods of widgets with abstract methods categorized by common roles.

  • Component Extraction based on Object-Oriented Class Relation Analysis.

    鷲崎弘宜, 深澤良彰

    コンピュータソフトウェア   21 ( 2 ) 37 - 43  2004.03

  • ソフトウェアパターン文書の自動解析と体系化

    久保淳人, 鷲崎弘宜, 深澤良彰

    第3回情報科学技術フォーラム(FIT2004)    2004

  • A Technique for Automatic Component Extraction from Object-OrientedPrograms by Refactoring

    Hironori Washizaki, Yoshiaki Fukazawa

    Journal of Science of Computer Programming, Elsevier Science    2004

  • ソフトウェアパターンランゲージ工学に向けて

    鷲崎弘宜, 深澤良彰

    ウィンターワークショップ・イン・石垣島    2004.01

  • ソフトウェアパターンの自動的な体系化の試み

    久保淳人, 鷲崎弘宜, 深澤良彰

    情報処理学会ウィンターワークショップ・イン・石垣島論文集     73 - 74  2004.01

  • Conditional test for JavaBeans components

    H Washizaki, Y Sakai, Y Fukazawa

    EXTREME PROGRAMMING AND AGILE PROCESSES IN SOFTWARE ENGINEERING, PROCEEDINGS   3092   282 - 283  2004  [Refereed]

     View Summary

    We propose a new conditional test suite that supports preconditions, postconditions, and class-invariants for any JavaBeans component, without the possibility of heisenbugs.

  • Component-extraction-based search system for object-oriented programs

    H Washizaki, Y Fukazawa

    SOFTWARE REUSE: METHODS, TECHNIQUES, AND TOOLS: PROCEEDINGS   3107   254 - 263  2004  [Refereed]

     View Summary

    To realize appropriate software reuse, it is necessary to seek software that satisfies a given requirement. However, conventional search techniques cannot enable prompt reuse of software because such conventional techniques target the program source code as the retrieval unit. In this paper, we propose a new component-extraction-based program search system. Our system analyses a collection of object-oriented (00) programs, acquires relationships among 00 classes, and extracts reusable software components composed of some classes. Moreover, our system generates indexes composed of divided type names and comments for newly extracted components. Using our system, the extracted components can be searched by keywords, and the result set can be viewed by a web browser such that the user can decide whether the query result component matches his/her requirements.

  • Search and trial execution system for OO programs by component extraction

    H Washizaki, Y Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   108   301 - 310  2004  [Refereed]

     View Summary

    A program search system is indispensable for software reuse. However, conventional search techniques are inappropriate for prompt reuse because of two reasons: (1) the retrieval unit is an individual program source code, and (2) behavioral features of the query result program cannot be confirmed immediately. In this paper, we propose a new program search and trial execution system based on a component extraction technique for existing Object-Oriented (OO) programs. Our system analyzes class relationships in OO program source codes, detects reusable parts composed of classes, and transforms the detected classes into components. The extracted components can be searched by keywords, and the result set can be viewed by a web browser. Moreover, our system allows users to perform the trial execution of components remotely via the web browser by performing the method execution and the mouse click operation. As a result of evaluation experiments, it is found that our system can extract many reusable components from existing programs, and support the user to search the extracted components effectively.

  • A search system for java programs by using extracted JavaBeans components

    Hironori Washizaki, Yoshiaki Fukazawa

    Proceedings of the Conference on Object-Oriented Programming Systems, Languages, and Applications, OOPSLA     200 - 201  2004

     View Summary

    We propose a new component-extraction-based program search system. Our system analyses existing Java programs, acquires relationships among classes, and extracts JavaBeans components composed of classes. Moreover, our system generates indexes composed of divided type names and comments for newly extracted components. Using our system, the extracted components can be searched by keywords, and the result set can be viewed by a web browser such that the user can decide whether the query result component matches his/her requirements.

    DOI

    Scopus

  • エージェントフレームワークを用いた車載端末向け情報提供システムの構築と評価

    服部 正典, 長 健太, 大須賀 昭彦, 本位田 真一, 深澤 良彰

    情報処理学会論文誌   44 ( 12 ) 3024 - 3037  2003.12

  • 標準的使用法の提示によるオブジェクト指向フレームワークの対話的理解支援

    宮城真弓, 小野康一, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2003)    2003.11

  • 柔軟なコンポーネント間接続方式の提案と実装

    星大樹, 鷲崎弘宜, 深澤良彰

    電子情報通信学会ソフトウェアサイエンンス研究会,SIGSS     37 - 42  2003.11

  • フレームワークに対するアスペクト指向技術によるホットスポットのモジュール性向上

    下之園孝, 小野康一, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2003)    2003.11

  • ソフトウェアの利用実演による操作学習支援手法

    岩田一, 白銀純子, 深澤良彰

    ソフトウェア 工学の基礎ワークショップ (FOSE2003)    2003.11

  • 携帯電話アプリケーション開発を支援するスクリプトシステム

    直原正樹, 本位田真一, 深澤良彰

    エージェント合同シンポジウム(JAWS 2003)    2003.10

  • モバイルエージェントを用いた小規模Grid構築

    鄭顕志, 吉岡信和, 本位田真一, 深澤良彰

    エージェント合同シンポジウム(JAWS 2003)    2003.10

  • Extracting Components from Object-Oriented Programs for Reuse in Memory-Constrained Environments

    Hironori Washizaki, Yoshiaki Fukazawa

    Proc. of First Workshop on Reuse in Constrained Environments (RICE'03) at the 18th Annual ACM SIGPLAN Conference on Object-Oriented Programming, Systems, Languages, and Applications (OOPSLA 2003)    2003.10

  • WWWからのオブジェクト指向プログラムの収集と検索

    鷲崎弘宜, 深澤良彰

    日本ソフトウェア科学会第20回大会    2003.09

  • MVCコンポーネント間関係記述に基づくWebアプリケーション開発

    石山智朗, 小野康一, 深澤良彰

    日本ソフトウェア科学会第20回記念大会    2003.09

  • A Metrics Suite for Measuring Reusability of Software Components

    H Washizaki, H Yamamoto, Y Fukazawa

    International Software Metrics Symposium, IEEE Computer Society   1232469 ( 2003 ) 211 - 223  2003.09  [Refereed]

     View Summary

    In component-based software development, it is necessary to measure the reusability of components in order to realize the reuse of components effectively. There are some product metrics for measuring the reusability of Object-Oriented software. However in application development with reuse, it is difficult to use conventional metrics because the source codes of components cannot be obtained, and these metrics require analysis of source codes. In this paper we propose a metrics suite for measuring the reusability of such black-box components based on limited information that can be obtained from the outside of components without any source codes. We define five metrics for measuring a component's understandability, adaptability, and portability, with confidence intervals that were set by statistical analysis of a number of JavaBeans components. Moreover we provide a reusability metric by combining these metrics based on a reusability model. As a result of evaluation experiments, it is found that our metrics can effectively identify black-box components with high reusability.

  • ループパーティショニングを用いたショートベクトル化技法

    片岡正樹, 佐渡, 古関聰, 小松秀昭, 深澤良彰

    並列/分散/協調処理に関するサマー・ワークショップ(SWoPP2003)    2003.08

  • オブジェクト指向プログラムのためのコンポーネント抽出型検索システム

    鷲崎弘宜, 深澤良彰

    オブジェクト指向2003シンポジウム(OO2003)     77 - 84  2003.08

    CiNii

  • ソフトウェアパターン研究の現在と未来

    鷲崎弘宜, 深澤良彰

    情報処理学会第141回ソフトウェア工学研究会   SIGSE-141   31 - 38  2003.05

  • シーケンス図による操作学習機能の自動付加手法

    岩田一, 白銀純子, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会   103 ( 102 ) 13 - 18  2003.05

     View Summary

    Various kinds of software have been developed for various works. The functions which these software implemented are increasing, and also the operation methods tend to be more complicated. That is, it is difficult to learn how to operate the software, and the much effort and cost are required to learn it. We think that tutorial systems are most suitable to learn the operation methods of software efficiently. Tutorial systems help use to learn operation method of software by demonstrating them. In this paper, we propose a method for adding a tutorial system to software automatically. In our method, a tutorial system is generated using use case diagrams and sequence diagrams in UML (Unified Modeling anguage), and added to software automatically.

    CiNii

  • Automated Extract Component Refactoring

    Hironori Washizaki, Yoshiaki Fukazawa

    Proc. of 4th International Conference on eXtreme Programming and Agile Processes in Software Engineering (XP2003), Lecture Notes in Computer Science (LNCS) ,Springer-Verlag   Vol.2675  2003.05

  • 標準的使用法の提示によるオブジェクト指向フレームワークの対話的理解支援

    宮城真弓, 小野康一, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会   102 ( 704 ) 33 - 38  2003.03

     View Summary

    Application software with object-oriented frameworks ate developed by customizing abstract elements(hot spot ) provided as abstraction classes and virtual functions. To customize a framework appropriately, it is necessary to understand the architecture that is the framework designer's intention and the cost is high. We focus on that understanding of customization methods (usage of a framework) which the framework designer assnrrios to he regular is effective in understanding of the designer's intention. In this paper, we define a format language for regular customization method and argue the user can he supported to understand the framework by presenting information which adapt to the required application program.

    CiNii

  • 柔軟な接続を実現するコンポーネントモデルの提案

    星大樹, 鷲崎弘宜, 深澤良彰

    情報処理学会第65回全国大会    2003.03

  • 大学間協力体制の未来

    細川正義, 澤木勝茂, 田中一昭, 深澤良彰, 八田英二

    大学時報   288 ( 288 ) 16 - 31  2003

    CiNii

  • Mobile agent based evacuation system when the battery runs out: EASTER

    H Kaneko, Y Fukazawa, F Kumeno, N Yoshioka, S Honiden

    PROCEEDINGS OF THE FIRST IEEE INTERNATIONAL CONFERENCE ON PERVASIVE COMPUTING AND COMMUNICATIONS (PERCOM 2003)     460 - 469  2003  [Refereed]

     View Summary

    As mobile computing becomes common, the battery issue of mobile computing devices has become increasingly notable. To this end, research and development of various power-conservation devices and methods are actively taking place. However, the conventional method of extending the battery life through power-conservation can never prevent the unintentional shutdowns of applications due to the dead battery. This research aims to realize the evacuation of applications on a mobile computing device to another device before the battery runs out by creating the application as a mobile agent Particularly, by introducing the concept of the Crisis Management Center dynamic and smooth evacuation of multiple application agents will become possible. This paper explains and verifies the effectiveness of the EASTER (Escape Agent System from dying batTERy), a system developed for the purpose of recovering the applications when a battery is running out through the use of mobile agent system.

  • A Method of Scenario-based GUI Prototype Generation and Its Evaluation

    J. Shirogane, Y. Fukazawa

    ACIS International Journal of Computer and Information Science   Vol. 4, ( 1 )  2003

  • 自然言語解析技術を利用したイベントフロー抽出手法

    白銀純子, 菊川正人, 深澤良彰

    ウィンターワークショップ・イン・神戸    2003.01

  • 自然言語解析技術を応用したイベントフローの統合によるプログラム理解

    菊川正人, 白銀純子, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会   102 ( 602 ) 31 - 36  2003.01

     View Summary

    UML models including use case diagrams and scenarios have been used in the requirement analysis. However, it is difficult to understand the application-level event flow from use case diagrams or scenarios. Therefore, we propose a method for extracting the similar-meaning events from the events in scenarios, and generating a graph for understanding the application-level event flow by unifying these similar-meaning events. The similar-meaning events are extracted using morphological analysis and syntactic parsing. The generated graph is useful in the initial stage of program understanding.

    CiNii

  • 細粒度コンポーネント環境における動的かつ階層的Undo機構の実現

    鷲崎弘宜, 深澤良彰

    情報処理学会論文誌   44 ( 1 )  2003.01

  • 軽量ソフトウェア開発手法のためのコンポーネント抽出リファクタリング

    鷲崎弘宜, 深澤良彰

    ウィンターワークショップ・イン・神戸    2003.01

  • 携帯電話アプリケーション開発のためのスクリプトシステムの提案(JAWS 2002)

    直原正樹, 吉岡信和, 深澤良彰, 本位田真一

    電子情報通信学会 JAWS 2002    2002.11

  • モバイルエージェントによるバッテリ切れ避難システム : Easter

    金子平祐, 深澤良彰, 粂野文洋, 吉岡信和, 本位田真一

    エージェント合同シンポジウム(JAWS 2002)    2002.11

  • PCクラスタ対応マルチエージェントフレームワーク

    吉岡信和, 鄭顕志, 深澤良彰, 本位田真一

    エージェント合同シンポジウム(JAWS 2002)    2002.11

  • Web-based Software Component Trial System and its Evaluation

    H. Washizaki, M.Motomura, Y. Fukazawa

    Proc. of 6th IASTED International Conference on Software Engineering and Applications (SEA 2002)    2002.11

  • アスペクト指向の導入による フレームワークの理解容易性の向上

    下之園孝, 小野康一, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会   102 ( 370 ) 1 - 6  2002.10

     View Summary

    Object-oriented frameworks are reusable software defining behavior of objects in domains. A user of a framework develops an application program by implementing variable portions in the framework, called as "hot spots," so that they are to be specialized in a specific application as required. That means, it is necessary for developers to understand designs and structures of the framework. However, understanding frameworks is difficult because frameworks tend to involve complexity of their designs and structures. In this paper, we argue that crosscutting concerns in aspect-oriented technologies can be applied to object-oriented frameworks in order to reduce their complexity by modulating a crosscutting element. In addition, we state aspect modularization will improve reusability of hot spots.

    CiNii

  • Software Component Metrics and It's Experimental Evaluation

    H. Washizaki, H. Yamamoto, Y. Fukazawa

    Proc. of International Symposium on Empirical Software Engineering (ISESE 2002)    2002.10

  • 領域分割レジスタ生存グラフを用いたレジスタ割付けへの動的計画法の適用

    浅原英雄, 近藤伸宏, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会論文誌:ハイパフォーマンスコンピューティングシステム   Vol.43 ( No. SIG 6 (HPS 5) ) 56 - 65  2002.09

     View Summary

    We introduce a new register allocation algorithm for instruction-level parallel processors. We have suggested a method using Series-Parallelized Register Existence Graph in order to extract JLP in a program. However, this method does not always give the optimum result because it only uses one-pass heuristics. Then, we developed a .new algorithm which can search the broader possibility of solutions and uses dynamic programming in order to reduce the cost of computation. In this paper, we clarify some problems on register allocation techniques, and give our algorithm with some examples, and its evaluation.

    CiNii

  • 再利用特性に基づくコンポーネントメトリクスの提案と検証

    山本浩数, 鷲崎弘宜, 深澤良彰

    コンピュータソフトウェア   Vol.19 ( 5 )  2002.09

  • レジスタの有効利用を考慮した部分冗長性除去

    佐藤淳, 古関聰, 小松秀昭, 深澤良彰

    情報科学技術フォーラム(FIT2002)    2002.09

  • シーケンス図からのチュートリアル自動生成手法

    岩田一, 白銀純子, 深澤良彰

    第1回情報科学技術フォーラムFIT2002    2002.09

  • コンポーネント環境における独立条件記述に基づく条件テスト手法

    坂井悠樹, 鷲崎弘宜, 深澤良彰

    コンピュータソフトウェア   Vol.19 ( 5 )  2002.09

  • オブジェクト指向フレームワークの標準的使用法に基づいた対話的理解支援

    宮城真弓, 小野康一, 深澤良彰

    情報科学技術フォーラム(FIT2002)    2002.09

  • オブジェクト指向クラス間依存解析に基づくコンポーネント抽出

    鷲崎弘宜, 深澤良彰

    第19回日本ソフトウェア科学会大会    2002.09

  • 拡張シグネチャ適合に基づく柔軟なコンポーネント間接続

    鷲崎弘宜, 佐藤淳, 深澤良彰

    オブジェクト指向2002シンポジウム(OO2002)    2002.08

  • レジスタ生存グラフを用いたレジスタ割付け及びコードスケジューリング技法

    片岡正樹, 古関聰, 小松秀昭, 深澤良彰

    並列/分散/協調処理に関するサマー・ワークショップ(SWoPP2002)    2002.08

  • ユーザビリティ向上のためのウィジェット変更支援

    白銀純子, 渡部宏志, 深澤良彰

    オブジェクト指向2002シンポジウム(OO2002)    2002.08

  • 利用情報解析に基づくコンポーネントウィザードの自動付加

    安達孝夫, 鷲崎弘宜, 深澤良彰

    電子情報通信学会ソフトウェアサイエンス研究会    2002.07

  • 有向置換性類似度に基づくコンポーネント検索方式の提案と評価

    鷲崎弘宜, 深澤良彰

    情報処理学会論文誌   Vol.43 ( 6 )  2002.06

  • A method of scenario-based GUI prototype generation

    J. Shirogane, Y. Fukazawa

    3rd ACIS International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD'02)    2002.06

  • 領域分割レジスタ生存グラフを用いたレジスタ割付けへの動的計画法への適用

    浅原英雄, 近藤伸宏, 古関聰, 小松秀昭, 深澤良彰

    JSPP2002(並列処理シンポジウム)    2002.05

  • ループパーティショニングを用いたショートベクトル化技法

    佐渡昭彦, 古関聰, 小松秀昭, 深澤良彰

    JSPP2002(並列処理シンポジウム)    2002.05

  • PCクラスタに対応したマルチエージェントシステムの提案

    吉岡信和, 鄭顕志, 深澤良彰, 本位田真一

    エージェント合同シンポジウム (JAWS 2002)論文集     353 - 363  2002.03  [Refereed]  [Invited]

  • 自然言語解析技術の応用によるシナリオからのイベントフロー抽出手法

    菊川正人, 白銀純子, 深澤良彰

    電子情報通信学会 2002年総合大会    2002.03

  • Conditional Testing Technique Based on Separated Condition Descriptions for Software Components.

    Yuhki Sakai, Hironori Washizaki, Yoshiaki Fukazawa

    Computer Software   19 ( 5 ) 358 - 371  2002  [Refereed]

    DOI

    Scopus

  • Component Metrics based on the Component Reusability and its Evaluation.

    Hirokazu Yamamoto, Hironori Washizaki, Yoshiaki Fukazawa

    Computer Software   19 ( 5 ) 345 - 357  2002  [Refereed]

    DOI

    Scopus

  • コンポーネント試行システムの開発と評価

    鷲崎弘宜, 元村五月, 深澤良彰

    コンピュータソフトウェア   Vol.19 ( 1 )  2002.01

  • Web上におけるコンポーネント流通の試み

    鷲崎弘宜, 深澤良彰

    ウィンターワークショップ・イン・伊豆    2002.01

  • GUI部品の変更時のプログラム自動変更支援

    渡部宏志, 白銀純子, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会、 信学技報SS2001-37   101 ( 628 ) 25 - 32  2002.01

     View Summary

    In recent years, not only functionality but also usability is required in software. So, in order to develop usable GUIs, it is effective that end-users evaluate GUI application and the results are reflected to GUI. In many cases, it is necessary to replace GUI components, and also GUI parts and body parts have to be reconnected. When GUI components are replaced, the operation are changed, but the roles of GUI are not often changed. In this research, we propose a method for GUI development by easy operations and also automatic reconnection between GUI parts and body parts in replacing GUI components. This reconnection is realized by classifying widgets according to roles and by replacing methods of GUI components with a common role.

    CiNii

  • GUI Prototype Generation by Merging Use Cases

    J. Shirogane, Y. Fukazawa

    Intelligent User Interfaces (IUI2002)    2002.01

  • A support method for widget replacement to realize high usability

    J Shirogane, K Watanabe, Y Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   80   234 - 241  2002  [Refereed]

     View Summary

    In recent years, not only functionality but also usability is required in software. In order to develop highly usable GUI (Graphical User Interface), it is effective that end users evaluate their GUI and the results are reflected on the original GUT. In these cases, it is necessary to replace a widget with another widget, and to reconnect new GUI part with original body part. When widgets are replaced, the operations are usually changed, but the roles of GUT are seldom changed. In this research, we propose a development method for GUI applications with easy operations and also an automatic reconnection method between GUI parts and new body parts in widgets. This reconnection is realized by classifying widgets according to their roles and by replacing methods of widgets with abstract methods categorized by common roles.

  • A retrieval technique for software components using directed replaceability similarity

    H Washizaki, Y Fukazawa

    OBJECT-ORIENTED INFORMATION SYSTEMS, PROCEEDINGS   2425   298 - 310  2002  [Refereed]

     View Summary

    A mechanism of retrieving software components is indispensable for component-based software development. However, conventional retrieval techniques require an additional description, and cannot evaluate the total characteristics of a component. In this paper, we propose a new similarity metric, "directed replaceability similarity" (DRS), which represents how two components differ in terms of structure, behavior, and granularity. We developed a retrieval system that automatically measures DRS between a user's prototype component and components stored in a repository, without any source codes or additional information. As a result of evaluation experiments, it is found that the retrieval performance of our system is higher than those of conventional techniques.

  • 再利用特性に基づくコンポーネントメトリクスの提案と検証

    山本浩数, 鷲崎弘宜, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2001)     105 - 116  2001.11

    CiNii

  • ユースケースの縒合せによるGUIプロトタイプ生成手法

    白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2001)    2001.11

    CiNii

  • コンポーネント環境における独立条件記述に基づいた条件テスト手法

    坂井悠樹, 鷲崎弘宜, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE2001)    2001.11

  • 携帯情報機器におけるアプリケーションソフトウェアの自律的サバイバル

    金子平祐, 深澤良彰, 粂野文洋, 本位田真一

    2001年ソフトウェア技術に関するジョイントワークショップ JWST(Joint Workshop on Software Technology)   2001 ( 99 ) 55 - 62  2001.10

     View Summary

    While mobile computing becomes general, the battery problem of a portable information device has been focused increasingaly, and developments of various power-saving devices and researches of a power management are done positively. However, conventional power-saving solution can never prevent application software from unwilled shutdow. In this research, autonomous evacuation of the application from a portable information device is realized by creating application as a mobile agent. Especially, in order to evacuate two or more application agents smoothly, the concept of the crisis management center is introduced so that dynamic evacuation can be realized, and the effect is verified.

    CiNii

  • モデル/ビュー分離アーキテクチャBeaMの機構と その評価

    鷲崎弘宜, 白銀純子, 深澤良彰

    情報処理学会論文誌   42 ( 10 ) 2454 - 2465  2001.10

  • 利用情報の解析によるコンポーネントウィザードの自動生成

    安達孝夫, 鷲崎弘宜, 深澤良彰

    情報処理学会第63回全国大会    2001.09

  • 独立条件記述に基づくコンポーネント条件テスト手法

    坂井悠樹, 鷲崎弘宜, 深澤良彰

    情報処理学会第63回全国大会    2001.09

  • コンポーネント試行システムの開発とその評価

    鷲崎弘宜, 元村五月, 深澤良彰

    日本ソフトウェア科学会第18回   19 ( 1 )  2001.09

  • ウィジェット操作の抽象化によるGUI部品の変更支援

    渡部宏志, 白銀純子, 深澤良彰

    情報処理学会第63回全国大会    2001.09

  • 実行時命令再構成機構を用いた投機的例外復旧手法実行時命令再構成機構を用いた投機的例外復旧手法

    古関聰, 影井慶大, 仲顕照, 小松秀昭, 深澤良彰

    情報処理学会論文誌情報処理学会論文誌   42 ( 8 ) 2144 - 2155  2001.08  [Refereed]

  • 有向置換性距離に基づくコンポーネント検索方式の実現と評価

    鷲崎弘宜, 深澤良彰

    オブジェクト指向2001シンポジウム (OO2001)    2001.08

  • Scenario-based Extraction of GUI Control Structure and Its Prototype Generation

    J. Shirogane, Y. Fukazawa

    Software Engineering and Applications (SEA 2001)    2001.08

  • 制御依存の緩和を考慮した並列性抽出手法

    伊藤佑一, 古関聰, 小松秀昭, 深澤良彰

    SWoPP(Summer United Workshops on Parallel, Distributed and Cooperative Processing)    2001.07

  • ループパーティショニングを用いたショートベクトル化技法

    佐渡昭彦, 古関聰, 小松秀昭, 深澤良彰

    SWoPP(Summer United Workshops on Parallel, Distributed and Cooperative Processing)   2001 ( 76 ) 93 - 98  2001.07

     View Summary

    This paper addresses a short vectorization technique based on the loop partitioning. The restriction of dependence in short vector processors is relatively weak because the vector length is short, then vectorized excution can be easily realized. Our technique also includes unimodular loop transformations such as loop interchange and loop skewing to vectorize more instructions that cannot be evectorized in a naive manner. Unimodular loop transformations may breaches the memory contiguity of operations that is required for the vectorized execution. However we prefetch the data onto a contiquous the memory region so that we can proceed on vectorization.

    CiNii

  • フレームワーク製作者の意図を考慮した再構成手法

    吉本宇, 小野康一, 深澤良彰

    電子情報通信学会 ソフトウェア研究会   101 ( 240 ) 33 - 40  2001.07

     View Summary

    An object-oriented framework is a class library with cooperated relation between classes, and is an archetype of an application program. When framework is first developed, it is difficult to forecast the functions which will be needed in the future, and it is impossible to develop a complete framework which offers necessary and sufficient functions. Therefore, the maturity and refinement process, which means framework reconstruction, is indispensable at the life cycle of framework. In this paper, we define a formal language to describe the intention of the framework designers and propose a method which reconstruct a given framework comparing the intention description and its application program code.

    CiNii

  • 静的側面から見たソフトウェアコンポーネントの品質

    山本浩数, 鷲崎弘宜, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会、信学技報SS2001-10   101 ( 98 ) 33 - 40  2001.05

     View Summary

    Many product metrics for the static aspect of software products have been proposed to improve the quality of the product. Those traditional techniques measure the quality by analyzing its source codes. However, at component-based software development, it is difficult to apply those techniques to software components because the source code cannot be referred directly for the software component. In this paper, we propose new product metrics based on the characteristics of the software component, and the quality measurement technique which treats software components as Black-Box products.

    CiNii

  • An Implementation of Mixed-Language Text Editor - mledit

    K.Uezono, T.I.Kataoka, Y.Fukazawa, K.Kakehi

    Proc. of the 19th. International Conference on Computer Processing of Oriental Languages ( ICCPOL'01 )     294 - 296  2001.05

  • A Metric for Frameworks Based on the Deviation of User's Understanding from the Manufacturer's Intention

    R.Kuroda, K.Ono, Y.Fukazawa

    Proc. of the 4th. International Conference on Information Systems Modelling ( ISM'01 )     103 - 110  2001.05

    CiNii

  • 有向置換性距離に基づくコンポーネント検索システム

    鷲崎弘宜, 深澤良彰

    プログラミングおよび応用のシステムに関するワークショップ(SPA2001)    2001.03

  • 片方向引用情報に基づく論文の品質評価

    鷲崎弘宜, 深澤良彰

    2001年電子情報通信学会総合大会     54 - 54  2001.03

    CiNii

  • 中間信号を利用した効果的な特徴関数の生成法について

    樋山恒文, 新井浩志, 深澤良彰

    第62回情報処理学会全国大会    2001.03

  • 設計意図からの逸脱度に基づくフレームワークの評価メトリクス

    黒田隆一, 小野康一, 深澤良彰

    第62回情報処理学会全国大会    2001.03

  • パターン: 引用からの品質

    鷲崎弘宜, 深澤良彰

    JapanPLoP、第7回パターン研究会    2001.03

    CiNii

  • バッテリ残量を気にするモバイルエージェントの退避行動

    金子平祐, 深澤良彰, 粂野文洋, 本位田真一

    第62回情報処理学会全国大会    2001.03

    CiNii

  • シナリオからの GUI 制御構造の把握とプロトタイプ生成

    白銀純子, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会    2001.03

  • コンポーネントにおける静的側面の自動品質測定

    山本浩数, 鷲崎弘宜, 深澤良彰

    2001年電子情報通信学会総合大会    2001.03

  • Web情報収集エージェントMobeetの評価

    森川景介, 深澤良彰, 吉岡信和, 大須賀昭彦, 本位田真一

    第62回情報処理学会全国大会    2001.03

  • Dynamic Hierarchical Undo Facility in a Fine-Grained Component Environment

    H.Washizaki, Y.Fukazawa

    the 40th International Conference on Technology of Object-Oriented Languages and Systems (TOOLS Pacific 2002)    2001.02

  • 細粒度コンポーネント環境への着目とUndo機能追加実装

    鷲崎弘宜, 白銀純子, 深澤良彰

    ウィンターワークショップ・イン・金沢    2001.01

  • ユースケース記述からのGUI生成手法

    白銀純子, 深澤良彰

    ウィンターワークショップ・イン・金沢    2001.01

  • パターンによって補完される諸特性の分析

    太田健太郎, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会    2001.01

  • Retrieving software components using directed replaceability distance

    Hironori Washizaki, Yoshiaki Fukazawa

    Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   2186   153 - 162  2001

     View Summary

    In component-based software development, the mechanism by which the software components which best satisfy a user’s query are retrieved is indispensable. However, conventional retrieval methods cannot evaluate the total characteristics of a component, because they consider a single aspect of the component or require an additional description. In this paper, we propose a new distance metric, “directed replaceability distance” (DRD), which represents how different two components are in detail from the viewpoint of structure, behavior, and granularity. We have developed a retrieval system which uses DRD as a measure of the difference between a user’s query prototype component and the components stored in a repository. In this paper, we outline the concept of DRD and the usefulness of our retrieval system.

    DOI

    Scopus

  • 制約記述の導入によるフレームワークのカスタマイズ作法の提示

    増田ゆりか, 小野康一, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会   100 ( 472 ) 9 - 16  2000.11

     View Summary

    The application software development using framework is performed by customizing abstract elements such as abstract classes and virtual functions in "hotspot". Effective customization is realized by following the implementation manners which the framework designers have assumed. In this implementation manners, relations and constraints of classes and members play an important role. But these manners are implicitly described in the framework software, and manuals and header-files for the framework don't have enough power to specify these manners. These manners are called as "implicit constraints", and a formal language ACML is defined to describe these. In this paper, an effective customization method is proposed by showing the required information based on the ACML description.

    CiNii

  • 細粒度コンポーネント環境における履歴クラスタリング

    鷲崎弘宜, 白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE2000)    2000.11

  • ユーザの実装逸脱度に基づくフレームワークの設計評価メトリクス

    黒田隆一, 小野康一, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE2000)    2000.11

    CiNii

  • シリーズパラレル型レジスタ生存グラフを用いたレジスタ割付け技法とその評価

    近藤伸宏, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会論文誌   41 ( 11 ) 3122 - 3132  2000.11

    CiNii

  • 並列要求駆動シミュレーションにおける要求伝搬の保留処理について

    岸間航, 新井浩志, 深澤良彰

    第61回情報処理学会全国大会    2000.10

  • 暗黙的制約情報を用いたフレームワークの理解支援

    増田ゆりか, 小野康一, 深澤良彰

    第61回情報処理学会全国大会    2000.10

  • ユースケース記述にもとづくGUI開発手法

    白銀純子, 深澤良彰

    第 61 回情報処理学会全国大会    2000.10

  • 標準的実装からの逸脱度によるフレームワークの設計評価

    黒田隆一, 小野康一, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会    2000.09

  • 仕様からの適用型ユーザナビゲーションシステムの生成

    原田真太郎, 白銀純子, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会    2000.09

  • 安全なコンポーネント拡張に基づく共通機能付加技法

    鷲崎弘宜, 白銀純子, 深澤良彰

    オブジェクト指向2000シンポジウム    2000.08

  • メタ情報を用いたコンポーネント指向ソフトウェア開発支援

    鷲崎弘宜, 白銀純子, 深澤良彰

    オブジェクト指向2000シンポジウム    2000.08

  • シリーズパラレル型レジスタ生存グラフを用いたレジスタ割付けへの動的計画法の適用

    浅原英雄, 近藤伸宏, 古関聰, 小松秀昭, 深澤良彰

    SWoPP(Summer United Workshops on Parallel, Distributed and Cooperative Processing)   2000 ( 74 ) 31 - 36  2000.08

     View Summary

    We introduce a new register allocation algorithm for instruction-level parallelism processors. We have suggested a method using Series-Parallelized Register Existence Graph in order to extract ILP in a program. However, this method does not always give the optimum result because it only uses one-pass heuristics. Then, we developed a new algorithm which can search the broader possibility of solutions and uses dynamic programming in order to reduce the cost of computation. In this paper, we clarify some problems on register allocation techniques, and give our algorithm with some examples, and its evaluation.

    CiNii

  • プロトタイプのビジュアル・カスタマイズによる GUI の自動生成手法

    白銀純子, 深澤良彰

    情報処理学会論文誌   41 ( 7 ) 1999 - 2009  2000.07

    CiNii

  • バイトコードパターンマッチによるJavaインタプリタの高速化手法

    安江, 仲顕照, 小松秀昭, 深澤良彰

    情報処理学会、第29回プログラミング研究会    2000.06

  • 大学構内モバイル環境実現における履歴収集機能拡張

    筧捷彦, 深澤良彰, 平野泰

    2000年電子情報通信学会総合大会    2000.03

    CiNii

  • 早稲田大学の新図書館システムWINE99が目指すもの

    深澤良彰

    早稲田大学図書館紀要   47巻   1 - 79  2000.03

    CiNii

  • マルチメディアアプリケーション開発のためのパターン抽出と整理

    増田ゆりか, 白銀純子, 深澤良彰

    情報処理学会第60回全国大会    2000.03

  • ショートベクトルプロセッサ向けループ並列化技法

    岸秀明, 古関聰, 小松秀昭, 深澤良彰

    「ハイパフォーマンスコンピューティングとアーキテクチャの評価」に関する北海道ワークショップ(HOKKE-2000)    2000.03

  • コンポーネント技術に基づくUndo/Redo機能実装手法

    鷲崎弘宜, 白銀純子, 深澤良彰

    プログラミングおよび応用のシステムに関するワークショップ (SPA2000)    2000.03

  • IA-64におけるプレディケートの生成および割り付け手法

    毛軍, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会第60回全国大会    2000.03

  • バイトコードパターンマッチングを用いたJavaインタプリタの高速化

    仲顕照, 安江俊明, 小松秀昭, 深澤良彰

    電子情報通信学会、ソフトウェアサイエンス研究会   SS90 ( 60 )  2000

  • Model-view separation architecture BeaM and its evaluation

    H Washizaki, J Shirogane, Y Fukazawa

    KNOWLEDGE-BASED SOFTWARE ENGINEERING   62   115 - 122  2000  [Refereed]

     View Summary

    GUI application components, which are developed by combining the most basic generic GUI components and appending the required application logic, have been widely utilized. Their target is domain-specific and instance-level software reuse. In traditional methods, the separation between the application logic part and GUI part is incomplete. As a result, sufficient reusability and extensibility of the GUI application components cannot be realized. In this paper, the Model-View separation architecture BeaM (Bean for Model-view separation), which realizes complete independence between the application logic part and GUI part, is proposed. Also the evaluation results are analyzed based on the implementation in Java language.

  • A Metric for Frameworks Based on a Developer's Deviation from the StandardImplementation

    R.Kuroda, K.Ono, Y.Fukazawa

    Workshop on Software Architecture and Components (Held in conjunction with APSEC'99    1999.12

  • A Light-Weight Broker for GUI Applications

    H.Washizaki, J.Shirogane, Y.Fukazawa

    International Workshop on Domain Oriented Systems Development(DOSD1999) in Asia Pacific Software Engineering Conference(APSEC'99)    1999.12

  • 新世代再利用技術における古典的ソフトウェア開発技法

    電子情報通信学会、ソフトウェアサイエンス研究会、知能ソフトウェア工学研究会    1999.11

  • フレームワークを用いた実装におけるテストの視点からの支援手法

    嶋村威一郎, 小野康一, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE'99)    1999.11

    CiNii

  • MVC指向アーキテクチャBeaMの機構とその評価

    鷲崎弘宜, 白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ (FOSE'99)    1999.11

  • スライシングを用いたフレームワークの再構成支援技法

    施暁波, 小野 康一, 深澤 良彰

    ソフトウェア工学研究会(SIGSE)第124回研究会 in 島根県松江   1999 ( 89 ) 43 - 50  1999.10

     View Summary

    In some cases, a framework must be changed to satisfy its application requirements. On the other hand, it is also the common base of the application development because of its reusability. Therefore, the influence of the change must be localized in order not to spread to other existing applications. This paper proposes a technique which realizes the framework reconstruction by using program slicing and verification of correctness. Utilizing this technique, the high reusability of framework is kept as much as possible.

    CiNii

  • 動的モデリングからの適応型ユーザナビゲーションシステムの開発,

    情報処理学会第59回全国大会    1999.09

  • Widget-allocation oriented design method and its support tool

    J. Shirogane, Y. Fukazawa

    Proc. 4th. World Conference on Integrated Design and Process Technology    1999.06

  • A Method to Generate CharacteristicFunctions for Large Scale Circuits by Splitting Output FunctionVector

    H.Arai, Y.Fukazawa

    Proc. 4th. World Conference on Integrated Design and Process Technology    1999.06

  • オブジェクト指向フレームワークの利用支援について

    深澤良彰

    JISA会報   No.53  1999.03

  • ネットワーク上で成長・発展可能な分散コンポーネントウェア開発方法

    青山幹雄, 深澤良彰

    第4回発展機構を備えたソフトウェア構成原理研究会    1999

  • 大学環境におけるモバイル環境実現の経験とその評価

    情報処理学会第59回全国大会    1999

  • 真のプラガブルアーキテクチャをめざして

    ウィンターワークショップ・イン・高知    1999

  • ループバージョニングのためのプレディケート抽出方法の提案とその評価,情処研報

    計算機アーキテクチャ    1999

  • ユーザの実装逸脱度に基づくフレームワークの設計評価メトリクス

    情報処理学会第59回全国大会    1999

  • モバイルキャンパスの実現を目指して

    筧, 深澤良彰, 平野

    平成11年度第13回私情協大会資料    1999

  • プログラムからのデザインパターン抽出技法とその評価

    金子崇之, 深澤良彰

    電子情報通信学会, ソフトウェアサイエンス研究会   SS98 ( 40 )  1999

  • ソフトウェアアーキテクチャにおける再利用性と実行効率

    鷲崎弘宜, 白銀純子, 深澤良彰

    サマーワークショップ・イン・小樽    1999

  • ソフトウェアを援用した投機的例外処理機構

    影井慶大, 古関聰, 小松秀昭, 深澤良彰

    並列処理シンポジウム JSPP'99論文集    1999

  • シリーズパラレル型レジスタ生存グラフを用いたレジスタ割付け技法とその評価

    近藤伸宏, 古関聰, 小松秀昭, 深澤良彰

    並列処理シンポジウム JSPP'99論文集    1999

    CiNii

  • アプリケーション部品についてのMVCパターンの適用

    鷲崎弘宜, 白銀純子, 深澤良彰

    情報処理学会第58回全国大会    1999

  • WebアプリケーションサーバアーキテクチャへのJavaの貢献

    深澤良彰

    情処研報、ソフトウェア工学 124-14   124 ( 14 )  1999

  • GPDGを用いた命令レベル並列アーキテクチャのための最適コンパイラの実現

    楊巍, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会第58回全国大会    1999

  • ビジュアル・カスタマイズ方式によるソフトウェアの開発手法

    白銀純子, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE'98)    1998.11

  • パターン解析による形式的仕様記述言語からのプロトタイプ生成系,

    橘賢二, 深澤良彰

    ソフトウェア工学の基礎ワークショップ(FOSE'98)    1998.11

  • ソフトウェアを援用した投機的例外処理機構の実現と評価

    古関聰, 影井慶太, 仲顕照, 小松秀昭, 深澤良彰

    計算機アーキテクチャ研究会報告/情報処理学会   128 ( 21 )  1998.03

  • オブジェクト指向プログラムからのデザインパターンの抽出

    金子崇之, 深澤良彰

    情報処理学会第56回全国大会/情報処理学会    1998.03

  • Program Understanding via Domain Model

    S. Arasaki, Y Fukazawa

    Domain Oriented Systems Development: Principles and Approaches    1998.03

  • 他人の褌の積極的利用法

    新鐘   /59  1998

  • 新しい図書館システムWINE99に向けて

    ふみくら   /60  1998

  • 計算機資源を考慮したパイプライン並列性抽出手法

    YUDA MASATO, KOSEKI AKIRA, KOMATSU HIDEAKI, FUKAZAWA YOSHIAKI

    情報処理学会研究報告, ハイパフォーマンスコンピューティング研究会   74-13 ( 115 ) 71 - 76  1998

     View Summary

    In this paper, we describe a new instruction clustering algorithm for Loop Staging, which is one of fine-grain loop parallelization techniques. By this time, in Loop Staging, instructions have been clustered by prioritizing program dependences that become the communication cost between processors, which deteriorate the performance of parallel execution when applying existing iteration clustering methods. However, in practice, a large performance-up can't be achieved because of time for communication between processors and for controlling cache. In this method, we consider time for communication between processors and for controlling cache when we partition instructions in different processors as a 'cost', and propose a new clustering algorithm using this cost as a parameter of evaluating function of instruction clustering.

    CiNii

  • レジスタ生存グラフを用いたレジスタ割付け手法の改善

    情報処理学会第57回全国大会    1998

  • モバイル端末によるWWWページ閲覧のためのモバイルサーバの実現

    玉木宏治, 深澤良彰

    情報処理学会第57回全国大会    1998

  • プレディケート付き依存グラフを用いたバージョニング手法

    桑原睦子, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会第57回全国大会    1998

  • フレームワーク・ナビゲータ—フレームワークを用いたアプリケーション実装の支援

    野見山健, 深澤良彰

    情報処理学会第57回全国大会    1998

  • ソフトウェアアーキテクチャの今日的価値

    岸秀明, 友枝, 深澤良彰

    情報処理   Vol.39 ( 10 ) 1016 - 1019  1998

  • オブジェクト指向技術の産業界での普及を示す参照モデルの構築

    野見山健, 深澤良彰

    情報処理学会第57回全国大会    1998

  • オブジェクト指向による再利用性向上に対する要因評価

    深澤良彰

    情処研報,ソフトウェア工学   120 ( 20 )  1998

  • 21世紀の再利用技術への視点

    深澤良彰

    情報処理学会オブジェクト指向シンポジウム'98論文集    1998

  • Method of user-customizable GUI generation and its evaluation

    J Shirogane, Y Fukazawa

    1998 ASIA PACIFIC SOFTWARE ENGINEERING CONFERENCE, PROCEEDINGS     377 - 384  1998  [Refereed]

     View Summary

    The demand for Graphical User interface (GUI) applications has witnessed apt increase. However, it is difficult to develop such GUI applications, because their structures are complicated. Therefore, we propose an approach for the automatic generation of GUIs for the purpose of facilitating GUI applications' development from dialog description. These dialogs are described using petrinet which includes GUI information. A special-purpose petrinet editor is developed for this purpose, so system designers can work in an Environment which is suitable for developing GUI applications. The most important feature of this system is as follows: after generating GUI application, users can customize the detailed size and arrangement of widgets to suit the user's needs. This customization does not require the use of any special software tools. In this research, we assumed that GUI application development is divided into three roles, system designers who are in charge of dialog description, graphic designers who are in charge of the customization of GUI, and application programmers who in charge of programming of applications. The system designers describe the dialog, then the graphic designers and application programmers work independently or simultaneously.

  • A method for applying loop unrolling and software pipelining to instruction-level parallel architectures

    Nobuhiro Kondo, Akira Koseki, Hideaki Komatsu, Yoshiaki Fukazawa

    Systems and Computers in Japan   29 ( 9 ) 62 - 73  1998

     View Summary

    A considerable part of program execution time is consumed by loops, so that loop optimization is highly effective especially for the innermost loops of a program. Software pipelining and loop unrolling are known methods for loop optimization. Software pipelining is advantageous in that the code becomes only slightly longer. This method, however, is difficult to apply if the loop includes branching when the parallelism is limited. On the other hand, loop unrolling, while being free of such limitations, suffers from a number of drawbacks. In particular the code size grows substantially and it is difficult to determine the optimal number of body replications. In order to solve these problems, it seems important to combine software pipelining with loop unrolling so as to utilize the advantages of both techniques while paying due regard to properties of programs under consideration and to the machine resources available. This paper describes a method for applying optimal loop unrolling and effective software pipelining to achieve this goal. Program characteristics obtained by means of an extended PDG (program dependence graph) are taken into consideration as well as machine resources. © 1998 Scripta Technica.

    DOI

  • ネットワーク上で成長・発展可能な分散コンポーネントウェア開発方法(共著)

    青山幹雄, 深澤良彰

    第3回発展機構を備えたソフトウェア構成原理研究会    1998

  • 拡張VLIWプロセッサGIFTにおけるブランチハンドリング機構

    古関聰, 小松秀昭, 深澤良彰

    情報処理学会論文誌   38;12 ( 12 ) 2576 - 2587  1997.12

     View Summary

    The pipelining techniques of processors have been improved, and the issue rate of instructions has also been increasing. In these architectures, branch prediction and instruction issue become more and more important. We proposed an extension of VLIW processors to achieve a high performance in executing various applications including non-numerical programs. However, there exist some serious problems with branch prediction and instruction issue to execute non-numerical programs, because it is very difficult to improve following things simultaneously on an architecture with high issue rate of instructions and a deep instruction pipeline: (1) accuracy of branch prediction, (2) efficiency of instruction issue when branch prediction is correct, (3) efficiency of instruction issue when branch prediction is incorrect. In this paper, behaviors of branches are categorized into two classes and two extensions of VLIW are proposed to solve the problems respectively. At last, we evaluate the performance of our processor with the new extensions.

    CiNii

  • アプリケーションフレームワークを利用したソフトウェア構築支援の要件

    深澤良彰

    情報処理学会 ウィンターワークショップ・イン・恵那    1997.12

  • GUIの自動生成におけるプロトタイプ修正方式とその評価

    白銀純子, 深澤良彰

    信学技報,ソフトウェアサイエンスSS97-33    1997.11

  • 命令レベル並列アーキテクチャのためのループアンローリング及びソフトウェアパイプライニング適用技法

    古関聰, 小松秀昭, 深澤良彰

    電子情報通信学会論文誌   J80-D-I;10 ( 10 ) 824 - 835  1997.10

    CiNii

  • 要求駆動アルゴリズムによる論理回路の分散並列シミュレーション手法

    黄山, 新井浩志, 深澤良彰

    情報処理学会第55回全国大会/情報処理学会    1997.09

  • 形式的記述言語パターン解析によるプロトタイプ生成系について

    橘賢二, 深澤良彰

    情報処理学会第55回全国大会/情報処理学会    1997.09

  • ペトリネットからのGUIの自動生成について

    白銀純子, 深澤良彰

    情報処理学会第55回全国大会    1997.09

  • ソフトウェアによる投機的例外処理の実現

    影井慶太, 古関聰, 小松秀昭, 深澤良彰

    計算機アーキテクチャ研究会報告/情報処理学会   125  1997.08

  • 出力変数の分割による大規模回路の特徴関数生成手法

    田治米純二, 新井浩志, 深澤良彰

    設計自動化研究会報告/情報処理学会   83  1997.03

  • インクリメンタルシミュレーションを高速化するための回路分割手法について

    森達也, 新井浩志, 深澤良彰

    情報処理学会第54回全国大会/情報処理学会    1997.03

  • 命令レベル並列アーキテクチャのためのループアンローリング及びソフトウェアパイプライニング適用技法(共著)

    古関聰, 小松秀昭, 深澤良彰

    電子情報通信学会論文誌   J80-D-I/10,824-835  1997

  • ┣DBプログラミング-考え方と言語-(/)-┫DB

    深澤良彰

    ┣DB電子情報通信工学シリーズ,森北出版(/)-┫DB    1997

  • レクチャーノート/ソフトウェア学19ソフトウェア工学の基礎(]G0004[)(共著)

    深澤良彰, 青山編

    近代科学社    1997

  • ループステージング : 共有メモリ型並列計算機を対象としたループ並列化技法とその評価(共著)

    金丸智一, 古関聰, 小松秀昭, 深澤良彰

    並列処理シンポジウムJSPP'97論文集   /,197-204  1997

  • Program Understanding via Domain Model, in Domain Oriented Systems Development : Principles and Approaches(jointly worked)

    S. Arasaki, Y Fukazawa

    GORDON AND BREACH SCIENCE PUBLISHERS    1997

  • コンポーネントウェアにおける方法論とツールの協調関係

    深澤良彰

    ウィンターワークショップ・イン・松山論文集/情報処理学会     44 - 48  1997.01

    CiNii

  • ループステージング : 共有メモリ型並列計算機を対象としたループ並列化技法とその評価(共著)

    金丸智一, 古関聰, 小松秀昭, 深澤良彰

    並列処理シンポジウムJSPP'97論文集   /,197-204   197 - 204  1997

    CiNii

  • A register allocation technique using register existence graph

    A Koseki, H Komastu, Y Fukazawa

    PROCEEDINGS OF THE 1997 INTERNATIONAL CONFERENCE ON PARALLEL PROCESSING     404 - 411  1997  [Refereed]

     View Summary

    Optimizing compilation is very important for generating code sequences in order to utilize the characteristics of processor architectures. One of the most essential optimization techniques is register allocation. In register allocation that tal;es account of instruction-level parallelism, anti-dependences generated when the same register is allocated to different variables, and spill code generated when the number of registers is insufficient should be handled in such a way that the parallelism in a program is not lost. In our method, we realized register allocation using a new data structure called the register existence graph, in which the parallelism in a program is well expressed.

  • A method for estimating optimal unrolling times for nested loops

    A Koseki, H Komastu, Y Fukuzawa

    THIRD INTERNATIONAL SYMPOSIUM ON PARALLEL ARCHITECTURES, ALGORITHMS, AND NETWORKS, PROCEEDINGS (I-SPAN '97)     376 - 382  1997  [Refereed]

     View Summary

    Loop unrolling is one of the most promising parallelization techniques, because the nature of programs causes most of the processing time to be spent in their loops. Unrolling not only the innermost loop but also outer loops greatly expands the scope for reusing data and parallelizing instructions. Nested-loop unrolling is therefore a very effective way of obtaining a higher degree of parallelism. However, we need a method for measuring the efficiency of loop unrolling that takes account of both the reuse of data and the parallelism between instructions. This paper describes a heuristic algorithm for deciding the number of times and the directions in which loops should be unrolled, through the use of information such as dependence, reuse, and machine resources. Our method is evaluated by applying benchmark tests.

  • A Dialog-Oriented User Interface Generation Mechanism

    J. Baeg, Y. Fukazaka

    Proc. of Asia Pacific Software Engineering Conference '96     310 - 317  1996.12

    CiNii

  • A Consistency Verification Method for Design Models in Design Environments

    H. Arai, Y. Fukazawa

    Systems and Computers in JAPAN/Scripta Technica   27 ( 10 ) 811 - 818  1996.10

  • 周辺回路を考慮した論理検証のための特徴関数の生成

    田治米純二, 新井浩志, 深澤良彰

    情報処理学会第53回全国大会/情報処理学会    1996.09

  • ドメインモデルを利用したプログラム理解支援について

    荒崎秀一, 深澤良彰

    ソフトウェア開発のためのドメイン分析・モデリング技術シンポジウム論文集/情報処理学会    1996.09

  • A Backward Navigator and Its User Model

    J. Baeg, Y. Fukazaka

    Proc. of the Second Joint Conference on Knowledge-Based Software Engineering     230 - 233  1996.09

  • 多重ループステージングにおける通信遅延隠蔽技法

    金丸智一, 古関聰, 小松秀昭, 深澤良彰

    計算機アーキテクチャ研究会報告/情報処理学会   119 ( 80 ) 43 - 48  1996.08

     View Summary

    We proposed a new loop parallelization technique named 'staging' for shared memory multiprocessors. Staging divides instructions in loop body into some execution classes, and they are executed with pipelined parallelism. This technique is proposed for the high-speed execution of DOACROSS loops, for which existing methods that choose loop bodies as tasksize cannot derive high parallelism. In this paper, we describe an effect of overlapping communication with computation for staging technique, present a loop transformation algorithm, and evaluate it finally.

    CiNii

  • 拡張VLIWプロセッサGIFTにおける投機的実行支援機構

    作家昭夫, 古関聰, 小松秀昭, 深澤良彰

    計算機アーキテクチャ研究会報告/情報処理学会   119 ( 12 )  1996.08

  • レジスタ生存グラフを用いたレジスタ割付け手法

    百瀬浩之, 古関聰, 小松秀昭, 深澤良彰

    ハイパフォーマンスコンピューティング研究会報告/情報処理学会   1996 ( 81 ) 81 - 86  1996.08

     View Summary

    To generate code sequence using processor's characteristics, optimizations by compilers is important. One of the main optimization techniques is the register allocation, When the register allocation is executed, it is important to consider that register allocator doesn't reduce the parallelism in a program and to consider the characteristics of programs. In program's characteristics, we describes a register allocation technique with considering the condition of execution. Our register allocation technique is more effective than existing techniques considering the data flow because the variables that have the exclusive condition of execution are allocated the same register.

    CiNii

  • 命令レベル並列プロセッサのためのコードスケジューリング及びレジスタ割付けの協調技法

    小松秀昭, 古関聰, 百瀬浩之, 深澤良彰

    並列処理シンポジウムJSPP'96論文集/情報処理学会    1996.06

    CiNii

  • 命令レベル並列アーキテクチャのための大域的コードスケジューリング技法

    小松秀昭, 古関聰, 深澤良彰

    情報処理学会論文誌   37;6 ( 6 ) 1149 - 1161  1996.06

     View Summary

    To achieve a good performance on instruction level parallel architectures such as VLIW, it is important to extract parallelly executable instructions from a program by code scheduling. To obtain highly parallel code, code schedulers must have the global scope of scheduling. Percolation Scheduling and Trace Scheduling are typical global code schedulers. However, the former cannot highly parallelize programs in which directions of branches are not biased, and the latter cannot assure the effectiveness of code transformations. We propose a new global code scheduling technique using extended PDG (GPGD: Guarded PDG). In this technique, source code is intermediately represented in GPDG, and it is successively transformed for optimizing. GPDG has ability to express a global code including branches. Therefore our technique can have global scheduling scope. When transformations are applied, by using information derived from GPDG, our technique can effectively parallelize programs in which directions of branches are not biased and can assure the effectiveness of code transformations. As a result, tests with Stanford Benchmark show that the code produced by our method was executed l.43 times faster at most than code optimized by Percolation Scheduling.

    CiNii

  • 非数値計算の高速実行を目的としたVLIWにおける命令供給機構の設計と評価

    古関聰, 小松秀昭, 深澤良彰

    並列処理シンポジウムJSPP'96論文集/情報処理学会     121 - 128  1996.06

  • 多重ループにおける最適ループ展開数算定技法

    古関聰, 小松秀昭, 深澤良彰

    情報処理学会論文誌   37;6 ( 6 ) 1138 - 1148  1996.06

     View Summary

    Loop unrolling is one of the most promising parallelization techniques, because programs have characteristics that most processing time is spent in their loops. Existing methods would unroll only the innermost loop, so they cannot derive high parallelism, which nested loops originally have, and cannot fully utilize the reuse of data. With unrolling nested loops, the scope, in which data can be reused and instructions can be parallelized, is largely expanded. Therefore, we will obtain much parallelism if we unroll not only the innermost loop but also outer loops. The efficiency obtained by unrolling nested loops is affected by the dependencies among iterations of a loop and the reuse of data, therefore, the direction of unrolling (which loops should be unrolled) and the times of unrolling (how many times a loop should be unrolled) extremely affect the efficiency of the unrolled program. Additionally, the effect of unrolling will saturate because the resources of a hardware are limited, therefore, the certain times of unrolling exists where no more effect can be obtained by unrolling the loops. Consequently, to obtain the best effect, we have to decide the times and the directions of loops unrolling based on the information such as the dependencies among iterations, the reuse of data and the machine resources. In this paper, we described a method to obtain and express such information as dependencies and reuse, and a heuristic algorithm to decide the times and the directions of loops unrolling by utilizing this information and machine resource's one.

    CiNii

  • A Register Allocation Technique Using Guarded PDG

    A. Koseki, H. Komatsu, Y. Fukazawa

    Proc. of 1996 International Conference on Supercomputing     270 - 277  1996.05

  • 共有メモリ型並列計算機における多重ループステージングによるパイプライン実行

    金丸智一, 古関聰, 小松秀昭, 深澤良彰

    情処研報, 計算機アーキテクチャ   1996 ( 23 ) 43 - 48  1996.03

     View Summary

    This paper proposes a new loop parallelization technique for shared memory multiprocessors. For DOACROSS loops, existing methods that choose tasksize loop body cannot derive high parallelism. For high-speed execution of DOACROSS loops, a technique named 'staging' is proposed. Staging divides instructions in nested loop body into some execution class, and they are executed by pipelined parallelism. In this paper, we present a loop transformation and dividing instruction algorithms, and evaluate them finally.

    CiNii

  • An Object-Oriented Design Support Tool Based On Design Patterns

    B. Zhang, Y. Fukazaza

    情報処理学会第52回全国大会予稿集/情報処理学会    1996.03

  • A Parallel reduction Algorithm with Communication Delay

    Y. Fukazawa, S. Kurino, Y. Nonomura

    The Massive Parallel Processing System JUMP-1/Ohmusya     50 - 56  1996.03

  • スライシング技法の応用によるプログラムの検証法

    小野康一, 丸山勝久, 深澤良彰

    第1回ソフトウェア工学の基礎ワークショップFOSE'94,レクチャーノート/ソフトウェア学14ソフトウェア工学の基礎(]G0001[),近代科学社     61 - 70  1996

  • Application of verification method and a decomposition method to program modification

    K Ono, K Maruyama, Y Fukuzawa

    SYSTEMS AND COMPUTERS IN JAPAN   27 ( 1 ) 12 - 26  1996.01  [Refereed]

     View Summary

    This paper considers the case where the specification and the program are modified. A method is proposed that specifies the range which is affected by the modification using the verification method and decomposition technique. By the proposed technique, the points where the modification is required or the point which may contain an error can be estimated when the program is modified. The inductive assertion is used as the verification technique.
    It is assumed that the specification before modification as well as the program are already verified for the correctness. The object of verification is simplified by the comparison and validation of the verification history and the object of correctness verification. The part which is left without being simplified is the range affected by the modification before the comparison and after the correctness verification, the rage which is affected by the modification as well as the range for which the validation is not satisfies can be specified.

  • A parallel reduction algorithm with communication delay

    S Kurino, M Sakakura, B Zhang, Y Fukazawa

    SECOND INTERNATIONAL SYMPOSIUM ON PARALLEL ARCHITECTURES, ALGORITHMS, AND NETWORKS (I-SPAN '96), PROCEEDINGS     434 - 439  1996  [Refereed]

  • An adaptive user navigation mechanism and its evaluation

    JW Baeg, A Hirahara, Y Fukazawa

    INTERNATIONAL JOURNAL OF SOFTWARE ENGINEERING AND KNOWLEDGE ENGINEERING   5 ( 4 ) 541 - 558  1995.12  [Refereed]

     View Summary

    Recently, many on-line help systems have been developed that provide usage explanation for applications. However, it is difficult to find out necessary information in help contents and to understand how to obtain complete information. A navigation mechanism which can provide a user with essential information and guide the user so that he can carry out intended actions is indispensable. In this paper, we propose an adaptive navigation system which does not display navigation information on decisions that a user has already made by reflecting the current state of an application. In this research, in order to describe the structure of an application, Petri nets which are suitable for modeling event-driven systems are used. The application system is constructed based on these Petri nets. By communicating between the application system and its navigation system through these Petri nets, user navigation system reflecting the execution state of the application is realized.

  • 仕様記述言語ZZと実行時仕様

    鈴木修, 小野康一, 深澤良彰

    情報処理学会第51回全国大会予稿集/情報処理学会    1995.09

  • 拡張VLIWプロセッサGIFTの命令供給機構とその評価

    古関聰, 小松秀昭, 深澤良彰

    SWoPP別府 '95予稿集    1995.08

  • コードスケジューリングとレジスタ割付けの協調による最適化

    百瀬浩之, 古関聰, 小松秀昭, 深澤良彰

    情処研報,ハイパフォーマンスコンピューティング   57 ( 23 )  1995.08

  • 重点領域研究:超並列原理に基づく情報処理基本体系:2. 応用プログラム

    小柳義夫, 白川友紀, 中嶋正之, 深澤良彰, 村岡洋一, 安浦寛人, 吉田紀彦

      36 ( 6 ) 506 - 513  1995.07  [Refereed]

    CiNii

  • 第1回アジア太平洋ソフトウェア工学国際会議(APSEC'94)報告

    磯田定宏, 佐伯元司, 深澤良彰, 青山幹雄, 大蒔和仁, 加賀谷聡, 松村一夫

    ソフトウェア工学   104 ( 9 ) 65 - 72  1995.05  [Refereed]

     View Summary

    The Fisrt Asia-Pacific Software Engineering Conference was held on December 7-9, 1994 at International Conference Center in Waseda University, Tokyo. As the conference organizers, we report how to organize the conference as well as the contents of the conference.

    CiNii

  • 多重ループにおける最適ループ展開数算定技法とその評価

    古関聰, 小松秀昭, 深澤良彰

    1995年並列処理シンポジウム予稿集    1995.05

    CiNii

  • 設計支援環境におけるデータモデルの整合性検証手法について

    新井浩志, 深澤良彰

    電子情報通信学会論文誌D/電子情報通信学会   J78-D-2;5  1995.05

  • インクリメンタルシミュレーションの大規模回路への適用

    新井浩志, 羽毛田, 深澤良彰

    電子情報通信学会論文誌D/電子情報通信学会   J78-D-2 ( 4 ) 640 - 649  1995.04

  • 述語論理に基づく仕様から実行可能コードの導出手法

    小野康一, 河野, 深澤良彰

    早稲田大学情報科学研究教育センター紀要/情報科学研究教育センター   18  1995.03

  • 特集「アジア・太平洋のソフトウェア技術」の編集にあたって

    青山幹雄, 深澤良彰, 佐伯元司, 磯田定宏

      36 ( 1 ) 8 - 8  1995.01  [Refereed]

  • An Adaptive User Navigation Mechanism and its Evaluation(jointly worked)

    J. Baeg, A. Hirahara, Y. Fukazawa

    International Journal of Software Engineering and Knowledge Engineering   5/4,541-558  1995

  • 論理回路のトップダウン設計を支援する回路図エディタ(共著)

    新井浩志, 上田, 田上, 深澤良彰

    日本電子機械工業会,EDAテクノウェア'95ユニバーシティプラザ大学研究室による研究発表資料集    1995

  • 命令レベル並列アーキテクチャのためのレジスタ割付け技法(共著)

    小松秀昭, 神力, 古関聰, 深澤良彰

    情報処理学会論文誌   36/12,2819-2830 ( 12 ) 2819 - 2829  1995

    CiNii

  • 分割操作による論理回路のトップダウン設計手法について(共著)

    大和明宏, 新井浩志, 深澤良彰

    情処研報,設計自動化   73-5  1995

  • 重力場での多体問題へのフィボネットの応用(共著)

    栗野俊一, 野々村洋, 深澤良彰

    文部省重点領域研究「超並列原理に基づく情報処理基本体系」第6回シンポジウム予稿集   /,1-59-1-72  1995

  • 柔軟性のある会話表現モデルによるUIシステム設計(共著)

    松浦俊, 深澤良彰

    情報処理学会第50回全国大会    1995

  • 拡張VLIWプロセッサGIFTの命令供給機構(共著)

    古関聰, 小松秀昭, 深澤良彰

    情処研報,計算機アーキテクチャ   113-6 ( 80 ) 41 - 48  1995

     View Summary

    The pipelining techniques of modern processors have improved, and the issue rate of instructions also has been increasing. In these architectures, the importance or the branch prediction and the instruction issue becomes much larger. We proposed an extension of VLIW processors to achieve high performance in executing ordinary applications including non-numerical programs. However, there exist some serious problems with the branch prediction and the instruction issue to execute non-numerical programs. In this paper, we categorize behaviors of branches into two classes and propose the two extensions of VLIW to individually solve the problems. At last, we evaluate the performance of our processor with the new extensions.

    CiNii

  • A global code scheduling technique using guarded PDG

    A Koseki, H Komatsu, Y Fukazawa

    IEEE FIRST ICA3PP - IEEE FIRST INTERNATIONAL CONFERENCE ON ALGORITHMS AND ARCHITECTURES FOR PARALLEL PROCESSING, VOLS 1 AND 2     661 - 669  1995  [Refereed]

  • A new incremental simulation algorithm for large scale circuits and its evaluation

    H Arai, Y Fukazawa

    1995 IEEE TENCON - ASIA-PACIFIC MICROELECTRONICS 2000, PROCEEDINGS     343 - 346  1995  [Refereed]

  • The Rise of Software Industry and Technology in Asia-Pacific —Software Beyond 2001— A Global Vision

    Mikio Aoyama, Yoshiaki Fukazawa, Motoshi Saeki, Sadahiro Isoda

        1 - 2  1994.12  [Refereed]

  • 論理回路のトップダウン設計における分割操作の適用可能性について(共著)

    大和明宏, 新井浩志, 深澤良彰

    情報処理学会第49回全国大会    1994

  • 論理型仕様の理解支援のための一手法(共著)

    山本修, 小野康一, 深澤良彰

    情報処理学会第48回全国大会    1994

  • 命令レベル並列プロセッサ向けレジスタ割り付け手法とその評価(共著)

    神力哲夫, 小松秀昭, 古関聰, 深澤良彰

    情処研報,ハイパフォーマンスコンピューティング   52-12   52 - 12  1994

    CiNii

  • 命令レベル並列アーキテクチャのための大域的コードスケジューリング技法とその評価(共著)

    古関聰, 小松秀昭, 深澤良彰

    並列処理シンポジウムJSPP'94論文集   /,1-8   1 - 8  1994

    CiNii

  • 非対称並列計算の埋込み可能な対称ネットワーク

    野々村洋, 栗野俊一, 深澤良彰

    信学技法,コンピュータシステム     94 - 50  1994

  • 適応型ユーザナビゲーション機構とその評価(共著)

    白貞元, 平原, 深澤良彰

    情処研報,ソフトウェア工学   99-13  1994

    CiNii

  • 多重ループにおける最適ループ展開数算定技法(共著)

    古関聰, 今野明, 小松秀昭, 深澤良彰

    信学技法,コンピュータシステム   CPSY94-97 ( 384 ) 103 - 110  1994

     View Summary

    Loop unrolling is one of the most promising parallelization technique,because programs have a nature that most processing time is spent in their loops.Existing compilers unroll only innermost loop,so they cannot perform commoning subexpresion and resusing instructions.In this paper,we propose a heuristic estimation method,in which some properties of programs,for example,dependency distance,resuse,and so on,are utilized.Our method is evaluated with benchmarks tests.

    CiNii

  • 設計モデルの整合性検証手法とネットリスト情報への適用(共著)

    新井浩志, 深澤良彰

    情報処理学会DAシンポジウム'94論文集   /,119-124  1994

  • 数値演算ループの多次元展開技法(共著)

    今野明, 古関聰, 小松秀昭, 深澤良彰

    情報処理学会第49回全国大会    1994

  • 重力場での多体問題へのフィボネットの応用(共著)

    栗野俊一, 野々村洋, 深澤良彰

    文部省重点領域研究「超並列原理に基づく情報処理基本体系」第5回シンポジウム予稿集   /,1-39-1-47  1994

  • 差分概念辞書を用いた過度の仕様抽象度の修正(共著)

    落合勝博, 松澤, 深澤良彰

    情報処理学会第49回全国大会    1994

  • プログラム変更に対する正当性検証技法と分割技法の適用

    小野康一, 丸山勝久, 深澤良彰

    電子情報通信学会論文誌   Vol.J77-D-I ( 11 ) 747 - 758  1994

    CiNii

  • ソフトウェア部品検索における形式的仕様の活用

    栗野俊一, 松澤裕史, 深澤良彰

    第1回ソフトウェア工学の基礎ワークショップFOSE'94論文集     117 - 122  1994

  • スライシング技法の応用によるプログラムの検証法

    小野康一, 丸山勝久, 深澤良彰

    第1回ソフトウェア工学の基礎ワークショップFOSE'94論文集     57 - 64  1994

  • クリティカルパス情報とSSA形式を利用したプログラム最適化(共著)

    古関聰, 小松秀昭, 深澤良彰

    情処研報,ハイパフォーマンスコンピューティング   52 ( 13 )  1994

  • インクリメンタルシミュレーションのゲートレベルへの適用

    羽毛田卓哉, 新井浩志, 深澤良彰

    情処研報,設計自動化   70 ( 1 )  1994

  • METHOD FOR ACCELERATION OF LOGIC SIMULATIONS

    M SAKAKURA, Y FUKAZAWA

    1994 IEEE REGION 10'S NINTH ANNUAL INTERNATIONAL CONFERENCE, THEME - FRONTIERS OF COMPUTER TECHNOLOGY, VOLS 1 AND 2   2/,828-836   828 - 831  1994  [Refereed]

  • A DEVELOPMENT STRATEGY OF USER NAVIGATION SYSTEMS AND GUI APPLICATIONS

    JG BAEG, A HIRAHARA, Y FUKAZAWA

    EIGHTEENTH ANNUAL INTERNATIONAL COMPUTER SOFTWARE & APPLICATIONS CONFERENCE (COMPSAC 94)   /,163-168   163 - 168  1994  [Refereed]

  • 拡張VLIWプロセッサGIFTにおける命令レベル並列処理機構(共著)

    小松秀昭, 古関聰, 鈴木英俊, 深澤良彰

    情報処理学会論文誌   34 ( 12 ) 2599 - 2610  1993.12

     View Summary

    Instruction parallelism is one of the most promising region in research of parallel processing. In general, clock speed of a VLIW can become faster than Super-scaler, because it has a simple instruction dispatching mechanism. However, programs except for numerical computing cannot use all execution units of VLlW. Therefore, we introduce the following architecture supports that can allow compilers to derive more parallelism from programs. (1) A canditional execution mechanism to execute instructions without normal conditional jump instructions. (2) A speculative execution mechanism. (3) A dynamic memory disambiguation mechanism to execute memory access instructions simultaneously. In this paper, these mechanisms and their evaluation are described.

    CiNii

  • 論理回路図の配置処理におけるトップダウン設計過程の反映手法について(共著)

    藍麗麗, 新井浩志, 深澤良彰

    情報処理学会第47回全国大会    1993.10

  • 通信遅延を仮定した時の最適なリダクション計算(共著)

    野々村洋, 栗野俊一, 深澤良彰

    情報処理学会第47回全国大会    1993.10

  • 形式的仕様による部品検索に基づいた部品合成手法について(共著)

    松澤裕史, 栗野俊一, 深澤良彰

    情報処理学会第47回全国大会    1993.10

  • 述語論理型仕様を用いた部品検索とその評価(共著)

    栗野俊一, 松澤裕史, 深澤良彰

    信学技報,ソフトウェアサイエンス   SS93-28 ( 244 ) 65 - 72  1993.09

     View Summary

    In order to reuse software components,a database which contains many components and its management system are necessary.Most important function of this kind of systems is to retrieve a component correctly and speedily which satisfies user′s requests.S ince programs are very complex objects as data in database,this function is indispensable.In this paper,a retrieval method which utilizes a formal specification is described.By this method, correct retrieval can be realized.Also,a speedy retrieval algorithm is shown.An automatic component synthesis method is reported as the application of this retrieval method.Lastly, experimental results are described.

    CiNii

  • 要求仕様の変更における影響分析の支援方法について(共著)

    孫家勇, 小野康一, 深澤良彰, 門倉敏夫

    情報処理学会第46回全国大会   46   331 - 332  1993.03

    CiNii

  • 通信遅延を仮定したときの計算アルゴリズムおよびネットワークについて(共著)

    深澤良彰, 村岡洋一, 安浦寛人, 吉田紀彦

    文部省重点領域研究「超並列原理に基づく情報処理基本体系」第3回シンポジウム予稿集   /,37-46  1993.03

  • プログラム変更に対する正当性検証技法の適用

    丸山勝久, 小野康一, 門倉敏夫, 深澤良彰

    情報処理学会第45回全国大会   1993 ( 13 ) 89 - 96  1993.02

    CiNii

  • 設計履歴とペトリネットを用いたソフトウェア変更支援(共著)

    村瀬康人, 小野康一, 新井浩志, 深澤良彰, 門倉敏夫

    情処研報,ソフトウェア工学   90-4 ( 13 ) 25 - 32  1993.02

    CiNii

  • ペトリネットを用いたオンラインヘルプシステム作成支援

    平原厚志, 深澤良彰

    情報処理学会第47回全国大会    1993

  • プログラム変更に対する正当性検証手法と分割技法の適用

    丸山勝久, 小野康一, 門倉敏夫

    情処研報,ソフトウェア工学   90 ( 12 )  1993

  • ソフトウェア・リエンジニアリング支援技術

    深澤良彰

    第7回ソフトウェア生産性向上のための最先端技術と応用,第7回ソフトウェア生産性向上シンポジウム     129 - 145  1993

  • クリティカルパス情報を利用したレジスタ割付け手法

    神力哲夫, 小松秀昭, 深澤良彰

    情処研報,アルゴリズム   34 ( 8 )  1993

  • ガード付きPDGを用いた大域的コードスケジューリング技法

    古関聰, 小松秀昭, 深澤良彰

    情処研報,アルゴリズム   34 ( 7 )  1993

  • オブジェクト指向に基づく分析結果とプログラムからの設計上の決定抽出

    白貞元, 小野康一, 深澤良彰

    情報処理学会第47回全国大会    1993

  • インクリメンタルシミュレーションにおけるイベント保存/評価効率の改善

    羽毛田卓哉, 新井浩志, 深澤良彰

    情報処理学会第46回全国大会    1993

  • GUIアプリケーションのユーザナビゲーションの開発手法(共著)

    平原厚志, 深澤良彰

    インタラクティブシステムとソフトウェア(]G0001[),第1回インタラクティブシステムとソフトウェアに関するワークショップWISS'93     113 - 120  1993

  • Software Modification Support with Design Histories and Petri Nets(jointly worked)

    J. Baeg, Y. Murase, K. Ono, Y. Fukazawa

    Proc of Info Science '93   /,200-207 ( 13 ) 25 - 32  1993

    CiNii

  • An Attempt to Increase Software Quality by Detecting Irregular Styles(jointly worked)

    M. Sakakura, Y. Fukazawa

    Proc. of Software Engineering Standards Symposium(SESS'93)   /,273-279   273 - 279  1993

    CiNii

  • A Design Model Integration Mechanism in the Design Environment DATE(jointly worked)

    H. Arai, Y. Fukazawa, T. Kadokura

    Systems and Computers SCRIPTA TECHNICAL INC.   24/12,54-63  1993

  • 設計履歴とドキュメントを用いたソフトウェア変更支援(共著)

    村瀬康人, 深澤良彰, 門倉敏夫

    情報処理学会第45回全国大会     307 - 308  1992.10

  • 質問に対する回答者選択を設計固有情報を用いて支援する方法について(共著)

    平山和彦, 新井浩志, 深澤良彰, 門倉敏夫

    情報処理学会第45回全国大会     289 - 290  1992.10

  • 拡張PDGを利用した最適ループ展開数算定法(共著)

    諸角裕, 小松秀昭, 深澤良彰, 門倉敏夫

    情報処理学会第45回全国大会     57 - 58  1992.10

  • 命令レベル並列処理アーキテクチャ向けループ展開におけるGIFTの有効性(共著)

    古関聰, 鈴木英俊, 小松秀昭, 深澤良彰, 門倉敏夫

    信学技報,コンピュータシステム   CPSY92-31   87 - 94  1992.08

  • 設計支援環境における設計モデルの整合性検証手法について(共著)

    新井浩志, 深澤良彰, 門倉敏夫

    情報処理学会DAシンポジウム'92     117 - 120  1992.08

  • 命令レベル並列計算機用最適化コンパイラにおけるループアンローリング技法(共著)

    諸角裕, 小松秀昭, 深澤良彰, 門倉敏夫

    信学技報,ソフトウェアサイエンス   COMP92-19 ( 108 ) 23 - 30  1992.06

    CiNii

  • 部品検索システムの持つべき性質とその実現方法(共著)

    松澤裕史, 栗野俊一, 深澤良彰, 門倉敏夫

    情報処理学会ソフトウェア再利用技術シンポジウム     53 - 62  1992.06

  • 実行時仕様の導入による形式的仕様の実行系(共著)

    小野康一, 松並邦拓, 深澤良彰, 門倉敏夫

    ソフトウェア・シンポジウム'92    1992.06

  • 設計支援環境DATEにおける設計モデルの統合化手法(共著)

    新井浩志, 長谷川拓己, 深澤良彰, 門倉敏夫

    電子情報通信学会論文誌   J75-D-(]G0002[)/5,936-946 ( 5 ) 936 - 946  1992.05

    CiNii

  • Extraction of Design Intention from Specification and Program(jointly worked)

    Jeongwong Baeg, Takeshi Fukuda, Yoshiaki Fukazawa, Toshio Kadokura

    Proc of Joint Conference on Software Engineering(JCSE'92)    1992.05

  • 変換系の検証における分割統治法の有効性について(共著)

    栗野俊一, 深澤良彰

    情処研報,ソフトウェア工学   84-4 ( 16 ) 1 - 8  1992.03

    CiNii

  • 分割統治法を用いた変換系の検証手法について(共著)

    栗野俊一, 深澤良彰

    情報処理学会第44回全国大会     291 - 292  1992.03

  • 設計環境におけるツールの更新に対する影響範囲の決定手法(共著)

    葉安麒, 新井浩志, 深澤良彰, 門倉敏夫

    情報処理学会第44回全国大会     189 - 190  1992.03

  • プログラム-仕様=設計上の決定

    福田剛志, 白貞元, 深澤良彰, 門倉敏夫

    知能ソフトウェア工学の動向と展望シンポジウム論文集     102 - 108  1992.03

  • Definition and Detection of User Defined Irregular Styles(jointly worked)

    Masayoshi Sakakura, Yoshiaki Fukazawa, Toshio Kadokura

    Proc of International Software Quality Exchange(ISQE'92)     19 - 29  1992.03

  • ディジタルハードウェアのための設計支援環境

    新井浩志, 深澤良彰

    情報処理   33 ( 7 ) 803 - 810  1992

    CiNii

  • ソフトウェア変更時の効率的なテストケース生成手法

    古谷信俊, 小野康一, 深澤良彰, 門倉敏夫

    情処研報,ソフトウェア工学   83 ( 1 )  1992

  • AN INTEGRATION MECHANISM FOR DESIGN MODELS IN THE DESIGN ENVIRONMENT DATE

    H ARAI, T HASEGAWA, Y FUKAZAWA, T KADOKURA

    INDUSTRIAL AND ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE AND EXPERT SYSTEMS   604   411 - 420  1992  [Refereed]

  • A Resolution Method From Predicate Logic Specification into Executable Code(jointly worked)

    Koichi Ono, Seiichi Kawano, Yoshiaki Fukazawa, Toshio Kadokura

    Proc of 25th. Hawaii International Conference on System Sciences(HICSS-25)     480 - 487  1992.01

    CiNii

  • A Mechanism Which Makes an Unexecutable Specification Executable(jointly worked)

    Kouichi Ono, Kunihiro Matsunami, Yoshiaki Fukazawa, Toshio Kadokura

    Proc. of International Computer Symposium '92(ICS'92)    1992

  • The Applicability of Formal Specification to Maintenance of Large Scale Software(jointly worked)

    Seiichi Kawano, Kouichi Ono, Yoshiaki Fukazawa, Toshio Kadokura

    Journal of Information Processing   14 ( 3 ) 301 - 309  1991.12

     View Summary

    For over a decade, major reserach efforts have been devoted to formal specification techniques for system development. As a result, many specification languages and their support tools have been developed. But not much research has been done on the application of formal specifications to software maintenance. We developed a formal specification language called Waseda Specification Notation (WSN), and have been attempting to apply it to some existing large-scale software systems. One of these is the scheduler of the VM/SP operating system, which was completely specified in WSN. We tuned the scheduler on the basis of the formal specification described, and according to the current characteristics of our computer environment. This paper gives a detailed introduction to the benefits of applying formal specification methods during the maintenance of large systems. Experiences obtained during the study are also described.

    CiNii

  • 条件実行アーキテクチャGIFTの最適化コンパイラ(共著)

    中谷信太郎, 鈴木英俊, 小松秀昭, 深澤良彰, 門倉敏夫

    情処研報,計算機アーキテクチャ91-4   1991 ( 100 ) 29 - 36  1991.11

    CiNii

  • 非決定的システムの形式的仕様に対する動作確認手法

    新井俊哲, 小野康一, 深澤良彰, 門倉敏夫

    情報処理学会第43回全国大会    1991.10

  • 推論過程における類推の積極的な利用法について(共著)

    牧野浩丈, 新井浩志, 福田剛志, 深澤良彰, 門倉敏夫

    情報処理学会第43回全国大会     63 - 64  1991.10

  • 機能仕様と品質を用いた部品検索のための一手法(共著)

    松澤裕史, 栗野俊一, 深澤良彰, 門倉敏夫

    情報処理学会第43回全国大会    1991.10

  • トップダウン設計手法に基づいた回路図エディタ

    小野朗, 新井浩志, 長谷川拓己, 深澤良彰, 門倉敏夫

    情報処理学会第43回全国大会     157 - 158  1991.10

    CiNii

  • 無限の大きさを持つ木の公平な重み付けについて(共著)

    栗野俊一, 深澤良彰

    日本ソフトウェア科学会第8回大会     317 - 320  1991.09

  • 部分関数定義の解釈による仕様言語Z++の実行系(共著)

    小野康一, 松並邦拓, 深澤良彰, 門倉敏夫

    日本ソフトウェア科学会第8回大会     325 - 328  1991.09

  • 設計環境DATEにおける論理設計支援機能-PLAtoolsの統合化-(共著)

    新井浩志, 深澤良彰, 門倉敏夫

    情報処理学会DAシンポジウム'91論文集   91 ( 3 ) 57 - 60  1991.08

  • 埋込みモデルにおけるエラー埋込みの自動化について(共著)

    中村憲一郎, 栗野俊一, 深澤良彰, 門倉敏夫

    情処研報,ソフトウェア工学   1991 ( 66 ) 111 - 118  1991.07

    CiNii

  • 条件実行アーキテクチャGIFTのメモリインタフェース(共著)

    鈴木英俊, 小松秀昭, 深澤良彰, 門倉敏夫

    情処研報,計算機アーキテクチャ   1991 ( 64 ) 95 - 102  1991.07

    CiNii

  • 帰納的に定義された自然数列の計算の超並列化(共著)

    栗野俊一, 廣瀬健, 坂倉正純, 深澤良彰

    情処研報,数値解析   1991 ( 61 ) 83 - 90  1991.07

    CiNii

  • 部品を用いて構築されたソフトウェアに対する変更支援エキスパートシステム

    Bulletin oh the Centre for Informatics, Waseda University     20 - 26  1990.01

  • Formal Specification Techniques for Large Scale Software

    Masayoshi Sakakura, Yoshiaki Fukazawa, Ken Hirose, Kaoru Hosokawa, Seiichi Kawano, Hiroshi Kawazoe, Shun-ichi Kurino, Kimonori Utsunomirya, Shin-ichi Yamada, Sook Yoon

    Bulletin of the;Centre for Informatics   10   71 - 93  1989.07

  • 形式的仕様記述言語とその支援ツール

    深澤良彰

      30 ( 4 ) 373 - 379  1989.04

  • ユーザー定義に基づくプログラムの変則構造の検出

    長谷川哲夫, 深澤良彰, 門倉敏夫

    電子情報通信学会 電子情報通信学会論文誌 D-Ⅰ   72-D-Ⅰ ( 2 ) 92 - 99  1989.02

    CiNii

  • 論理シミュレーション高速化の一手法

    國嶋和俊, 長谷川拓己, 深澤良彰, 門倉敏夫

    電子情報通信学会 電子情報通信学会論文誌 D   J71-D ( 12 ) 2613 - 2621  1988.12

    CiNii

  • An Inductive Inference Algorithm to Synthesize Prolog Programs from Specification by Example

    Akihiko Nakae, Yoshiaki Fukazawa, Toshio Kadokura

    Journal of Information Processing   12 ( 1 ) 34 - 41  1988  [Refereed]

  • WSNによるスケジューラの詳細仕様記述とその経験

    河野誠一, 深沢良彰, 栗野俊一, 川副博, 廣瀬健, 坂倉正純, 宇都宮公訓, 山田眞市, 那須秀樹, 門倉敏夫

    早稲田大学情報科学研究教育センター紀要   5   32 - 46  1987.02

  • 大学環境におけるOSのチューニングとその経験-形式的仕様記述に基づいたアプローチ

    河野誠一, 深沢良彰, 門倉敏夫

    Bulletin of the Centre for Informatics     39 - 47  1987

  • A Visibility-Oriented Construction System for Logic Diagrams

    Takumi Hasegawa, Toshio Kadokura, Yoshiaki Fukazawa

    Systems and Computers in Japan   17 ( 7 ) 40 - 48  1986.07

  • 抽象化技法支援ソフトウェア開発環境の実現

    深沢良彰

    早稲田大学情報科学研究教育センター紀要   30   21 - 34  1986.04

  • チューナブル・アーキテクチャ計算機システムにおけるチューニング過程について

    深沢良彰, 岸野覚, 門倉敏夫

    相模工業大学紀要   20 ( 1 ) 37 - 44  1986.03

    CiNii

  • ICチップの自動割付けと部分グラフの同型性問題

    新井浩志, 深沢良彰, 門倉敏夫

    電子通信学会 電子通信学会論文誌   68 ( 12 ) 2162 - 2164  1985.12

    CiNii

  • WSMにおけるメタレベル記述

    尹仙淑, 深沢良彰, 山田眞市

    Bulletin of the Centre for Informatics   ( 2 ) 54 - 58  1985.10

  • A Specification of a Scheduler Using WSM

    Kaoru Hosokawa, Yoshiaki Fukazawa, Ken Hirose, Masayoshi Sakakura, Kiminori Utunomiya, Shinichi Yamada, Sun Sook Yoon

    Bulletin of the Centre for Informatics   ( 2 )  1985.10

  • 見やすさを重視した論理回路図作成システム

    長谷川拓己, 門倉敏夫, 深沢良彰

    電子通信学会 電子通信学会論文誌   68 ( 8 ) 1513 - 1520  1985.08

    CiNii

  • The Reconstruction of an Operating System Using a Formal Approach

    Yoshiaki Fukazawa, Ken Hirose, Kaoru Hosokawa, Masayoshi Sakakura, Kiminori Utsunomiya, Shinichi Yamada, Sun Sook Yoon

    3rd International Workshop on Software Specification and Design    1985.08  [Refereed]

    CiNii

  • プログラム・デバックにおける記号的実行の応用

    深沢良彰, 袖山欣大, 門倉敏夫

    相模工業大学紀要   第19巻 ( 第1号 ) 15 - 25  1985.03  [Refereed]

    CiNii

  • An Application of a Formal Approach to the Reconstruction of Large Software

    深沢良彰, 廣瀬健, 細川馨, 坂倉正純, 宇都宮公訓, 山田眞市, 尹仙淑

    早稲田大学情報科学研究教育センター紀要   1   43 - 49  1985

  • 既存言語における抽象化技法支援の一手法について

    深沢良彰

    相模工業大学紀要   18 ( 1 ) 69 - 78  1984.03

    CiNii

  • Abstraction Mechanisms Supported by a Marco Processor

    Yoshiaki Fukazawa

    Journal of Information Processing   6 ( 2 ) 59 - 65  1983.07

     View Summary

    A macro language and its processor are described for various kinds of abstraction techniques. It is very attractive to support the use of abstraction in program construction by means of a general-purpose macro processor with special facilities. For that purpose, a macro language MACLAM(A Macro Language for Abstraction Mechanisms) has been designed and implemented. Attention of this macro language is focused on data as well as on control. MACLAM supports three kinds of abstraction techniques: (1)procedural abstraction, (2)data abstraction, for which a user can define new data types, define associated operations and protect them from illegal operations, and (3)syntactic abstraction to develop powerful mode of expressions and to give a method for sequencing arbitrary actions. MACLAM offers a procedure and some special functions for these abstraction techniques. The purpose of this paper is to illustrate the utilities of abstractions supported by MACLAM and to provide an informal introduction to MACLAM through some examples.

    CiNii

  • Graph Theoretic Problems Complete for Nondeterministic Log-Space

    Yoshiaki Fukazawa, Shigeki Iwata

    The Transaction of the IECE of Japan   E66 ( 2 )  1983.02

  • グラフ理論におけるNL-完全な問題

    深沢良彰, 岩田茂樹

      458   74 - 83  1982.05

    CiNii

  • A Trial of Japanese Text Input System Using Speech Recognition

    Katsuhiko Shirai, Yoshiaki Fukazawa, Toshikazu Matzui, Hiroshi Matzuura

    8th International Conference on Computational Linguistics     464 - 471  1980.09  [Refereed]

▼display all

Books and Other Publications

  • "XAC Project: Towards a Middleware for Open Wireless Sensor Networks", chapter in book "Designing Solutions-Based Ubiquitous and Pervasive Computing: New Issues and Trends"

    Kenji Tei, Shunichiro Suenaga, Yoshiyuki Nakamura, Yuichi Sei, Hikotoshi Nakazato, Yoichi Kaneki, Nobukazu Yoshioka, Yoshiaki Fukazawa, Shinichi Honiden

    Information Science Publishing  2010.03

  • トップエスイー実践講座2 ソフトウェアパターン パターン指向の実践ソフトウェア開発

    深澤良彰, 鷲崎弘宜, 丸山勝久, 山本里枝子, 久保淳人

    ㈱近代科学社  2007.12

  • ソフトウェアアーキテクチャ

    岸知二, 野田夏子, 深澤良彰

    共立出版  2005

  • オブジェクト指向に強くなる

    深澤良彰, 羽生田栄一他

    技術評論社  2003.03

  • Chapter 4, Realization of Fully Independent Component Architecture

    H.Washizaki, Y.Fukazawa

    "Domain Oriented Systems Development - Practices and Perspectives"Taylor and Francis  2002

  • レクチャーノート/ソフトウェア工学の基礎IV

    深澤良彰, 青山幹雄編

    近代科学社  1997.12

  • プログラミング—考え方と言語—

    深澤良彰

    電子情報通信工学シリーズ,森北出版  1997.04

  • オブジェクト指向最前線

    青山幹雄, 深澤良彰編

    朝倉書店  1996.06

  • ソフトウェア部品検索における形式的仕様の活用

    栗野俊一, 松澤裕史, 深澤良彰

    第1回ソフトウェア工学の基礎ワークショップFOSE'94,レクチャーノート/ソフトウェア学14ソフトウェア工学の基礎(]G0001[),近代科学社  1996

▼display all

Misc

  • Waseda University Library

      2016   1 - 2  2017.06

    CiNii

  • ソフトウェアメトリクス測定値を用いた品質改善効率低迷状態検出

    細野将揮, 本田澄, 鷲崎弘宜, 深澤良彰, 宗像一樹, 森田純恵, 菊池慎司, 上原忠弘, 山本里枝子

    日本ソフトウェア科学会大会講演論文集(CD-ROM)   33rd  2016

    J-GLOBAL

  • Predicting Number of Faults Based on Software Reliability Growth Model from Repository System

    HONDA Kiyoshi, WASHIZAKI Hironori, FUKAZAWA Yoshiaki

    Technical report of IEICE. SS   114 ( 271 ) 13 - 16  2014.10

     View Summary

    Software development requires repository system to manage the whole developing phases such as coding and testing. We acquire the fault numbers, their detected times and software versions which can predict faults from the faults, which has been recored in a repository system, based on the software reliability growth model. It will be expected that these predicted number of faults can motivate the developers because these predicted data suggest quantitative goals to the developers.

    CiNii

  • A Tool for Suggesting Similar Program Element Modifications

    YANG YUJIANG, SAKAMOTO KAZUNORI, WASHIZAKI HIRONORI, FUKAZAWA YOSHIAKI

    Technical report of IEICE. SS   114 ( 127 ) 123 - 128  2014.07

     View Summary

    Many programming tasks require programmers to modify similar program elements continuously. It will take some time to find out the next element to be modified without missing the necessary modifications, and it is too much hassle to select the text to change each similar element. To improve these problems, we extracted all possible matched elements by using the similarity patterns from recently modified elements. The sub syntax tree comparison is employed to extract similarity patterns. As a tool, SimilarHighlight can give programmers some suggests that program elements are similar to the last selected elements and might be modified at the next modifications. The elements will be highlighted and the text of the next element can be selected immediately for modify by shortcut keys. In addition, the tool supports C#, Java, C, JavaScript and other languages in future.

    CiNii

  • Influence of Organizational Change on Product Metrics and Defects

    SATO Seiji, WASHIZAKI Hironori, FUKAZAWA Yoshiaki, INOUE Sakae, ONO Hiroyuki, HANAI Yoshiiku, YAMAMOTO Mikihiko

    Technical report of IEICE. SS   113 ( 24 ) 61 - 66  2013.05

     View Summary

    In software development, the development organization sometimes changes, but its influence on software quality has not yet been elucidated. In this paper, we introduce origins - the creation and modification history of files - to study the effects of organizational change on software quality. Using origins, we analyze two open source projects developed by a total of three organizations. We conduct statistical analysis to investigate the relationship between origins, product metrics, and defects. As a result, we find that files modified by multiple organizations or by later organizations tend to be complex and faulty, and that complex files tend to be faulty regardless of origin. Additionally, we construct a fault prediction model that uses both origins and product metrics as the predictors, and improve the model that uses only product metrics.

    CiNii

  • オブジェクトおよびアスペクト指向プログラミング言語との比較実験を通した新しいコンテキスト指向プログラミング言語の提案

    加藤史也, 坂本一憲, 鷲崎弘宜, 深澤良彰

    全国大会講演論文集   2013 ( 1 ) 355 - 357  2013.03

     View Summary

    実行時の状態に応じて振る舞いが変化する処理群を,基本となる処理から分離してモジュール化する手法として,コンテキスト指向プログラミング(以下COP)がある.現在,複数のCOP言語が提案されているが,COPを適用することによりソフトウェア品質がどのように改善されるか,という議論が十分になされていない.本論文ではCOP言語の1つであるJCop言語を用いてJava言語, AspectJ言語との比較実験を行い ,COPの適用に関して有効な場面とそうではない場面を調査する.さらに,比較実験から得られた知見をもとに,適用効果がより高まるような新しいCOP言語の言語仕様および機能を提案する.

    CiNii

  • 上流工程のUMLクラス図を入力としたソフトウェアの保守性測定メトリクススイート

    津田直彦, 鷲崎弘宜, 深澤良彰

    全国大会講演論文集   2013 ( 1 ) 495 - 497  2013.03

     View Summary

    ソフトウェアの品質測定では,蓄積された過去のデータを元に,メトリクスの最適値を推定してきた。 しかし,上流工程のUMLクラス図は開発ごとに異なった抽象度でモデル化される場合が多く,データの蓄積が困難である。 この研究では,過去のデータの蓄積なしに,単一のクラス図からソフトウェアの品質(特に保守性)を測定する方法を取り上げる。 開発分野固有の特徴の推定を必要としない手法として,単一のUMLクラス図に起因した問題の検出の枠組みを提案する。 まずGQM手法により,保守性を評価するためのプロダクトメトリクスを定める。そして,UMLクラス図に含まれる要素のメトリクス測定値のばらつきを調べ,特異な値を示す箇所を検出する。 作成したGQMモデルに沿って特異値を検出することで,保守性の低下要因を特定する。

    CiNii

  • テスト貢献度に基づくゲーミフィケーションを用いた教育用ソフトウェアテストツールの提案

    ?澤亮平, 坂本一憲, 鷲崎弘宜, 深澤良彰

    全国大会講演論文集   2013 ( 1 ) 427 - 429  2013.03

     View Summary

    ソフトウェアテストは,ソフトウェアの品質を保証する上で重要な工程である.しかし,実際の開発では,テスターによる貢献が成果物から見えにくいため,モチベーションの低下,ひいてはテスト工程への倦厭を引き起こす傾向がある.本研究では,テストカバレッジなどのメトリクスから貢献度を数値化して,テスト記述者の貢献度として可視化する手法を提案する.さらに,貢献度を用いたゲー ミフィケーションの要素を導入した教育用テストツールを提案することで,テストに対する教育効果およびモチベーション向上を図る.テストに不慣れな学生に 対する被験者実験を通して,提案ツールの教育効果およびモチベーション向上の効果を測定する.

    CiNii

  • ゲーミフィケーションを用いたバグパターンによる欠陥除去を促進する手法の提案

    新井慧, 坂本一憲, 鷲崎弘宜, 深澤良彰

    全国大会講演論文集   2013 ( 1 ) 447 - 449  2013.03

     View Summary

    バグパターンを利用した欠陥検出ツールを利用することで,欠陥の早期発見が可能となり,開発時の欠陥除去コストを削減できる.しかし,実際には検出された欠陥が放置される場合があり,その結果,欠陥が除去されないことがある.本論文では,バグパターンを利用した欠陥検出ツールFindBugsを利用して,報告された欠陥を少しでも多く除去させるために,ゲーミフィケーションの要素を用いた除去促進の手法を提案する.提案手法では,開発メンバー毎に除去した欠陥数・種類を可視化することで,メンバーの欠陥除去のモチベーションを向上させて,ソフトウェアの品質向上を図る.また,被験者実験を通して提案手法の有用性を検証する.

    CiNii

  • 女子学生向けプログラミング学習用環境の構築

    高野孝一, 坂本一憲, 鷲崎弘宣, 深澤良彰

    全国大会講演論文集   2013 ( 1 ) 423 - 425  2013.03

     View Summary

    近年,情報科学が盛んになる一方で,女性の参入が伸び悩んでいる.既存のプログラミング学習用環境にはScratchやプログラミンなどが挙げられるが,多くの環境は小中学生をターゲットとしており,高校生や大学生向けのプログラミング学習用環境は少ない.その上,女子学生に特化した学習用環境は存在しない.本論文では,情報科学に携わる女性の増加を図るために,女子学生向けのAndroidアプリを用いた絵文字入力によるプログラミング学習用環境を提案する.提案アプリを用いて,WingのComputational Thinking Conceptsに基づいた学習理解度を実験で調査し,作成した学習用環境の有効性を示す.

    CiNii

  • Towards software metrics to evaluate maintainability for measuring Ajax application software

    HIRAYAMA YUSUKE, ONO KOUICHI, FUKAZAWA YOSHIAKI

    Technical report of IEICE. SS   112 ( 275 ) 143 - 150  2012.10

     View Summary

    We are working on software metrics to measure maintainability of Ajax application software. There are a number of previous studies about software maintainability metrics of classical Web application software. However, they do not consider characteristic properties of Ajax application software. We obtained concrete maintenance data by observing and recording the progress of iterative modifications on an actual Ajax application software through the software development process. It is expected that the software maintainability changes through the iterative modifications. We defined a suite of software maintainability metrics by a regression analysis based on those observed data.

    CiNii

  • Simulinkモデルにおける非完全一致のモデルクローン検出

    村上真一, 鷲崎弘宜, 深澤良彰

    全国大会講演論文集   2012 ( 1 ) 329 - 331  2012.03

     View Summary

    Simulinkモデルとは、MATLAB/Simulink上でシミュレーションのできるブロック線図としてプログラムを表現したモデルであり、組込みソフトウェア開発の現場で広く使われている。Simulinkモデルが大規模化すると、モデルクローンと呼ばれる重複箇所が発生し、モデルの保守性を低下させる。この問題を解決するため、クローンを検出し、適切に管理する必要があるが、従来の研究では完全一致のクローンのみを扱っていることが多く、非完全一致でありながら類似性の高いクローンを検出する手法は十分でなかった。本研究ではグラフマイニングのアルゴリズムを用い、非完全一致のモデルクローンを検出する手法を提案する。

    CiNii

  • 設計原則と実現手段に着目したソフトウェアアーキテクチャ設計支援

    中野由貴, 鷲崎弘宜, 深澤良彰

    全国大会講演論文集   2012 ( 1 ) 363 - 365  2012.03

     View Summary

    ソフトウェアアーキテクチャには設計で守るべき決まりである設計原則が複数存在する。それらを設計過程で実現手段と呼ばれるより具体的な構造に定めていく。設計原則には実現手段が複数存在し、どれを選択するかは難しく、選択を誤ると要求された機能や品質を実現できない。また実現手段間にはトレードオフがあり、組み合わせが不可能な場合や品質を落とす場合もある。しかし属人性の高い設計では適切な選択を行っていない可能性も高い、なぜなら設計者の能力によってはトレードオフを正確に把握できないからである。その問題を解決するため我々は実現手段間のトレードオフを明示化し、適切な組み合わせを構造的に導出する手法を提案する。

    CiNii

  • XAC Project: Towards a Middleware for Open Wireless Sensor Networks", chapter in book "Designing Solutions-Based Ubiquitous and Pervasive Computing: New Issues and Trends

    K.Tei,S, Suenaga, Y.Nakamura, Y.Sei, H.Nakazato, Y.Kaneki, N.Yoshioka, Y.Fukazawa, S.Honiden

    Information Science   - suenaga  2010  [Refereed]

    DOI

  • A Flexible Connection Model for Software Components

    WASHIZAKI Hironori, HOSHI Daiki, FUKAZAWA Yoshiaki

    IEICE transactions on information and systems   89 ( 4 ) 1421 - 1431  2006.04

     View Summary

    A component connection enables a component to use the functionality of other components directly, without generating adapters or other mechanisms at run-time. In conventional component connection models, the connection between components, particularly third-party components, is very costly for code reuse because the component source code must be modified if the types of requester-side and provider-side are different. This paper proposes a new component model, built upon an existing component architecture, which abandons a component service type and connects components based on a method type collection of the provider and requester components. Our model enables flexible connections owing to relaxed component matching, in which the system that implements our model automatically converts values of parameters, return values, and exceptions between required methods and provided ones within a well-defined range. As a result of experimental evaluations, it is found that our model is superior to conventional models in terms of the component-use cost and the capability of changing connections.

    CiNii

  • D-18-4 A Method to Generate Sequential Circuits using Genetic Programming

    Sako Nobuyasu, Arai Hiroshi, Fukazawa Yoshiaki

    Proceedings of the IEICE General Conference   2005 ( 1 ) 184 - 184  2005.03

    CiNii

  • A Support Method for Correcting Source Code in Modifying GUI Widgets

    FUKAYA Kazuhiro, SHIROGANE Junko, FUKAZAWA Yoshiaki

    Technical report of IEICE. SS   104 ( 571 ) 11 - 16  2005.01

     View Summary

    Recently we make much account of the usability of software due to the expansion of the range of users. To realize user-friendly software, it is efficient to repeat the process of evaluation and improvement of GUI. In this process, it is necessary to modify not only the layout of GUI but also the GUI widgets. When we modify the widgets, we have to change the connection between GUI parts and logic parts. However, it is troublesome for software developers to find and correct the changes in the source code by hand. In this research, we propose a method to find the changes in the source code automatically and show how to correct them.

    CiNii

  • B-052 Analysis and Systematization of Software Pattern Documents

    Kubo Atsuto, Washizaki Hironori, Fukazawa Yoshiaki

      3 ( 1 ) 213 - 216  2004.08

    CiNii

  • A Method to Process Long Gene with Hardware GA

    Yokozawa Kaori, Arai Hiroshi, Fukazawa Yoshiaki

    Proceedings of the IEICE General Conference   2002 ( 1 ) 115 - 115  2002.03

    CiNii

  • Realization of autonomous survival function to battery residual quantity using the mobile agent

    KANEKO Heisuke, FUKAZAWA Yoshiaki, KUMENO Fumihiro, HONIDEN Shinichi

    IEICE technical report. Artificial intelligence and knowledge-based processing   101 ( 420 ) 41 - 48  2001.11

     View Summary

    While mobile computing becomes general, the battery problem of a portable information device has been focused increasingly, and developments of various power-saving devices and researches of a power management are done positively. However, conventional power-saving solution can never prevent application software from unwilled shutdown. In this research, sutonomous evacuation of the application from a portable information device is realized by creating application as a mobile agent. Moreover, in order to two or more application agents to perform smooth evacuation, dynamic evacuation is realized by introducing the concept of the Crisis Management Center. In this paper, the Easter (Escape Agent System from dying batTERy) system which realizes the above function is descrived, and the effect is evaluated.

    CiNii

  • Contribution of Java to Web - Application Server Architectures

    FUKAZAWA Yoshiaki

    IPSJ SIG Notes   1999 ( 89 ) 89 - 90  1999.10

     View Summary

    As a framework for implementing large-scale business applications, Web-application server architectures has been paid great attention. These Web-application servers have a Web-browser as their user interfaces and their basic architecture is the client/server style on distributed object-oriented environments. In this paper, the trends of development environments for Web-application servers are described focused on the Java related issues. Also the influences of popularization of these Web-application servers are analyzed.

    CiNii

  • Implementation of Mobile-computer Environment in a Campus and its Evaluation.

      59 ( 4 ) "4 - 263"-"4-264"  1999.09

    CiNii

  • A Study for Predicate Extracting Technique for Loop Versioning

    KUWAHARA Mutsuko, KOSEKI Akira, KOMATSU Hideyuki, FUKAZAWA Yoshiaki

    IEICE technical report. Computer systems   99 ( 252 ) 9 - 16  1999.08

     View Summary

    Loop versioning is a very promising technique to improve parallelism in a program. Yet conventional methods have conducted loop versioning only in a very ad-hoc manner. We call accurate information to classify dependence "predicate". Predicates include conditions of local variables to indicate the type and direction of dependence. For the purpose of an efficient code generation, we have developed a predicate extracting technique dealing with array dependence that has ambiguous loop invariant variable. Using predicates, we can choose a set of dependence which can be removed to extract parallelism in a program. In this paper, we propose how to classify and analyze subscripts of arrays, and show the effectiveness of parallelization by our predicate-oriented loop versioning.

    CiNii

  • Factor Analysis of Reusability Improvement in Object - Orientation

    FUKAZAWA Yoshiaki

    IPSJ SIG Notes   1998 ( 64 ) 147 - 148  1998.07

     View Summary

    As the expansion of object-oriented software development technologies, various kinds of reuse technologies have been proposed and practically used. In this paper, I describe which reuse technologies are truly different between function-orientation and object-orientation.

    CiNii

  • ソフトウェアアーキテクチャはどう役にたつのか

    青山幹雄, 梶原清彦, 岸知二, 中谷多哉子, 深澤良彰

    情報処理学会研究報告ソフトウェア工学(SE)   1997 ( 74 ) 85 - 85  1997.07

     View Summary

    ソフトウェアアーキテクチャに基づいたソフトウェア開発がネットワーク時代のソフトウェア開発技法として注目を浴びてきている。このパネル討論では、その定義、記述法、利用法、再利用への貢献など多方面から、ソフトウェアアーキテクチャの役割りについて分析し、その利点を明確にするとともに、現時点における限界などについても明らかにしていきたい。

    CiNii

  • Cooperation of Code Scheduler and Register Allocator for Instruction - level Parallel Architectures

    KOSEKI Akira, KOMATSU Hideaki, MOMOSE Hiroyuki, FUKAZAWA Yoshiaki

    Transactions of Information Processing Society of Japan   38 ( 3 ) 584 - 594  1997.03

     View Summary

    For instruction-level parallel processors, to utilize its parallelism and obtain the code that has less execution time, the optimization of code sequences by a compiler is essential. Code scheduling and register allocation are its main optimization techniques. The code scheduler must extract parallelism in a program by moving and copying instructions, and schedule instructions to preserve the parallelism. Also, the register allocator must allocate physical registers so as not to reduce the parallelism. In our method, at first, a register allocator maps variables in a program to physical registers to satisfy the constraint of register resources, then a code scheduler extracts the parallelism based on the information on processor resources in addition to that of resolving register resources. As the code scheduler restores the parallelism that was reduced by the register allocator, a code sequence can be generated by considering both the parallelism of programs and that of hardware resources.

    CiNii

  • Mechanisms for Speculative Execution in the Extended VLIW Processor GIFT

    SAKKA Akio, KOSEKI Akira, KOMATSU Hideaki, FUKAZAWA Yoshiaki

    IPSJ SIG Notes   1996 ( 80 ) 67 - 72  1996.08

     View Summary

    Instruction-level parallel processing is one of the most important techniques to achieve a good performance on computers. VLIW has been developed and researched for numerical programs, but it is nowadays focused as the main general purpose processor following superscalar processors. To achieve a good performance on VLIW as a general processor, code scheduling mainly consisting of speculative moves of instructions, is important. However, using speculative moves is limited on a simple VLIW, so some hardware support is needed. In this paper, we propose new mechanisms, in which the code of the exception that a certain instruction caused and the code of the instruction are put into a register. Using our method, 1.3 times speedup is achieved in comparison with existing methods.

    CiNii

  • Report on the Object - Oriented '95 Symposium (OO '95)

    AOYAMA Mikio, NISHIOKA Kenji, KISHI Tomoji, UEHARA Sanya, MATSUOKA Satoshi, CHUSHO Takeshi, FUKAZAWA Yoshiaki

    IPSJ SIG Notes   1995 ( 84 ) 89 - 96  1995.09

     View Summary

    The Object-Oriented '95 Symposium was held on June 1-2. 1995 at Mita Campus of Keio University in Tokyo Under the theme of "Theory and Practice of Object-Oriented Systems Development", opening speeches, tutorials. general sessions and panel session have covered a wide spectrum of development technologies based on object-orientation. This report highlightens the major topics of the symposium as well as two special sessions ; one session presented the experience of object-oriented systems development and another was a panel on the theory and practice of object-oriented development technology.

    CiNii

  • Cooperation of code scheduler and register allocator

    MOMOSE Hiroyuki, KOSEKI Akira, KOMATSU Hideaki, FUKAZAWA Yoshiaki

    IPSJ SIG Notes   1995 ( 81 ) 133 - 138  1995.08

     View Summary

    For instruction-level parallel architectures, to realize its parallelism it is essential for a compiler to optimize code sequences. Code scheduling and register allocation are its main optimization techniques. As register allocation techniques for instruction-level parallel architectures have not been studied frequently, its study is important especially. As a register allocator makes much influence on a code scheduler, their cooperative operations are also important. All spill codes can be divided into two kinds. One is called as a real spill code, which is always issued even if the interferences of registers are reduced by swapping instructions which have no dependencies. The other is called as a virtual spill code, which is executed with other instructions to utilize processor's parallelism. We have realized an algorithm to minimize the number of execution cycles independent on processor's issue rate by generating these two kinds of spill code.

    CiNii

  • アジア太平洋ソフトウェア工学国際会議APSEC'94

    深澤 良彰

    情報処理   36 ( 1 ) 100 - 100  1995.01

    CiNii

  • A Method For Estimating Optimal Unrolling Numbers for Nested Loops

    Koseki Akira, Konno Akira, Komatsu Hideaki, Fukazawa Yoshiaki

    IPSJ SIG Notes   1994 ( 106 ) 199 - 206  1994.12

     View Summary

    Loop unrolling is one of the most promising parallelization technique, because programs have a nature that most processing time is spent in their loops. Existing compilers unroll only innermost loop, so they cannot perform commoning subexpresion and resusing instructions. In this papar, we propose a heuristic estimation method, in which some properties of programs, for example, dependency distance, resuse, and so on, are utilized. Our method is evaluated with benchmark tests.

    CiNii

  • A symmetric network topology for asymmetric parallel computation

    Nonomura Yo, Kurino Shun-ichi, Fukazawa Yoshiaki

    IEICE technical report. Computer systems   94 ( 164 ) 73 - 80  1994.07

     View Summary

    Massively parallel machines aim to realize high speed computing by using large numbers of processing elements,however,their efficiency deterioration by communication can not be ignored. Communication delay is one of the communication cost.Assuming that some of the input data for a PE are sent by communication from other,idle time may be inserted for waiting data at thePE.The more idle time is,the less computing.speed.One way to solve this problem is to construct a new network topology to operate other computation in the idle time.In this paper,we present a symmetric network topology in which asymmetric computer tree can be embedded, and its properties.

    CiNii

  • Global Optimization using SSA form and Critical Path of a Graph

    Koseki Akira, Komatsu Hideaki, Fukazawa Yoshiaki

    IPSJ SIG Notes   1994 ( 68 ) 77 - 82  1994.07

     View Summary

    Optimizing compiler includes code transformation based on control flow analysis and one based on data flow analysis. The former is performed in some code scheduling methods as movements of operations. The latter consists of eliminating common subexpressions and data copies. Though both techniques mutually have constraints on machine resources, there have been applied respectively. In this paper, we describe a new method to synthesize these techniques and it can utilize more information to get better code.

    CiNii

  • Register Allocation via Critical - Path Analysis

    Shinriki Tetsuo, Komatsu Hideaki, Fukazawa Yoshiaki

    IPSJ SIG Notes   1993 ( 70 ) 57 - 64  1993.08

     View Summary

    Instruction level parallel processor requires optimizing compiler in order to achieve a good performance. However, there has been few researces that take register allocation for these processors into consideration, thus, it is dominant to apply conventional techniques developed for scalar processors as it is. Since these techniques do not cover instruction parallelism, effective use of processors cannot be expected. This paper presents some methodologies which detect critical path and carry out register allocation based on it, that realizes effective utilization of processor parallelism.

    CiNii

  • プログラム変更に対する正当性検証技法と分割技法の適用

    丸山勝久, 小野康一, 門倉敏夫, 深澤良彰

    情報処理学会 研究報告   SIG-SE-90   89 - 96  1993

  • The Applicability of Formal Specification to Maintenance of Large-Scale Software

    KAWANO Seiichi, ONO Kouichi, FUKAZAWA Yoshiaki, KADOKURA Toshio

      33 ( 2 ) 252 - 253  1992.02

    CiNii

  • LANその概念とシステム

    深沢 良彰

    数学セミナ-   30 ( 7 ) p82 - 85  1991.06

    CiNii

  • Test Case Generation for Changed Software

      42   216 - 217  1991.02

    CiNii

  • A Fair Weighting Method For Trees

      1991 ( 11 ) 1 - 8  1991.01

    CiNii

  • 条件分岐の効率的実行を可能とする細粒度並列アーキテクチャ

    小松 秀昭, 鈴木 英俊, 深沢 良彰, 門倉 敏夫

    全国大会講演論文集   41   115 - 116  1990.09

     View Summary

    これまでのノイマン型計算機では、処理速度の効率化のために、命令の実行時間の短縮や、パイプラインやベクトルプロセッサによる命令の連続的実行や、複数命令を同時に実行する並列処理のアーキテクチャ(粗結合、密結合、細粒度並列)などのさまざまな手法が考案されている。並列処理は科学技術計算の分野においては、ベクトル・プロセッサやアレイ・プロセッサ等によってよい成績を修めている。しかし、オペレーティング・システムやコンパイラなどのシステム・プログラムや、一般的なアプリケーション・プログラムにおいては、あまり成果があがっているとはいえない。これらのプログラムは科学技術計算に比べて、対象とするデータ自身に明白な並列性(配列の繰作など)が少ないことも原因の一つとして挙げられる。この解決策としてVLIWなどの細粒度並列アーキテクチャが提案され、VLIWのためのトレース・スケジューリングやパーコレーション・スケジューリングなどのコード・スケジュール法によって、データ自身の並列性だけでなく、プログラムが本来もっている並列性もより多く取り出すことが可能となっている。これまで考案されてきたアーキテクチャは、ある条件によって処理を変えることを、条件分岐命令によって実現している。条件分岐命令によって実行中のコンテクストが切り替えられることは、一般的なパイプライン・アーキテクチャにおいて、パイプラインの切断による実行速度の低下を引き起こす。さらに、VLIWなどの細粒度並列アーキテクチャにおいては、コンテクストの分断によって論理的な並列性が損なわれてしまうため、並列実行可能な命令数の減少をもたらしている。

    CiNii

  • 実行時仕様の導入による形式的仕様の実行

    松並 邦拓, 小野 康一, 新井 浩志, 深沢 良彰, 門倉 敏夫

    全国大会講演論文集   41   139 - 140  1990.09

     View Summary

    ソフトウェアを正確に定義したいという要求から、各種の形式的仕様言語が提案されている。これらの形式的仕様言語は、その計算可能性に従って、直接実行可能なものと不可能なものに分類できる。直接実行可能な言語で記述された仕様は、ソフトウェア開発の初期段階で、実行による仕様の検査を行うことより、早期にユーザの要求に対する正当性を確認できる。しかしながら、その記述は計算の手順に依存することが多い。実行不可能な言語で記述された仕様には、集合や代数のような数学の概念に基づいているものがある。この仕様は、ソフトウェア・システムを、より抽象度の高い記述で定義できる。しかし、この仕様は、実行による仕様の検査の手だてを持ち合わせていない。そこで、本研究では、実行不可能な仕様記述の機械的な解釈を補助するために、実行時仕様を導入した。これによって、本来、直接実行が困難な仕様の実行を試みた。

    CiNii

  • プログラムと仕様からの設計上の決定の抽出

    福田 剛志, 深沢 良彰, 門倉 敏夫

    全国大会講演論文集   41   141 - 142  1990.09

     View Summary

    通常の人手によるプログラム開発は、仕様に対して設計者やプログラマが行なう設計上の決定を与えることにより行なわれる。この設計上の決定とは、仕様に対するデータ構造やアルゴリズムの選択である。このことから、"プログラム=仕様+設計上の決定"と言える。このように考えると、プログラム中に存在する設計上の決定とはプログラムと仕様の差(設計上の決定=プログラム-仕様)である。もし、プログラムから設計上の決定を分離することができれば、これは次の様なことに利用可能である。・設計上の決定を変更して、元の仕像に対して適用すれば、容易に別の決定を持つプログラムを合成することができる。・設計上の決定は仕様とプログラムのギャップであるから、これを人間に提示することにより、プログラムと仕様の可読性を高めることがむきる。そこで本発表では、プログラムとその仕様から、設計上の決定を抽出する方法を提案する。

    CiNii

  • 述語の動作例を用いてリスト処理プログラムを合成する手法について

    仲瀬明彦, 門倉敏夫, 深沢良彰

    情報処理学会研究報告ソフトウェア工学(SE)   1986 ( 7 ) 49 - 56  1986.02

     View Summary

    Prologプログラム合成の一手法として、プログラムの具体的な動作を記述した述語の例からPrologのリスト処理プログラムを合成する手法と、それを実現するシステムについて述べる。

    CiNii

  • 回路分割を用いたテストデータ生成システム

    鈴木和弘, 門倉敏夫, 深沢良彰, 長谷川拓已

    情報処理学会研究報告システムLSI設計技術(SLDM)   1986 ( 4 ) 1 - 8  1986.01

    CiNii

  • ICチップ内部のグラフ表現による自動割付けシステム

    新井浩志, 門倉敏夫, 深沢良彰

    情報処理学会研究報告システムLSI設計技術(SLDM)   1984 ( 47 ) 1 - 7  1984.11

    CiNii

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Industrial Property Rights

  • 著作権管理システム

    土方 正夫, 深澤 良彰, 亀山 渉, 関 亜紀子, 蘆田 良貴, ラスカウスキー テルミ

    Patent

Awards

  • 令和3年度 科学技術分野の文部科学大臣表彰 科学技術賞(理解増進部門)

    2021.04  

  • 日本IMS協会 IMS Japan賞 特別賞

    2019.11  

  • 情報処理学会 コンピュータサイエンス(CS)領域功績賞

    2019.10  

  • 情報処理学会 卓越研究賞

    2019.08  

  • e-Learning Initiative Japan 第16回日本e-Learning大賞 IT人材育成特別部門賞

    2019  

  • 情報処理学会 功績賞(SE研究会)

    2018.12  

  • 早稲田大学 第6回WASEDA e-Teaching Award

    2018.05  

  • 情報処理学会 インタラクティブ特別賞

    2017.09  

  • 日本工学教育協会 工学教育賞

    2017.08  

  • International Journal of Software Engineering and Knowledge Engineering Most Read Articles 2017

    2017.08  

  • 日本ソフトウェア科学会/電子通信情報学会/情報処理学会/人工知能学会 優秀論文賞

    2016.09  

  • IACSIT Excellent Paper

    2015.02  

  • 早稲田大学 第1回WASEDA e-Teaching Award 審査員特別賞

    2012  

  • 船井情報科学振興財団 船井ベストペーパー賞

    2009.09  

  • ソフトウェアテスト技術者振興協会 善吾賞

    2009.01  

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Research Projects

  • Research on Establishment of Sensor-based Software Engineering

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Project Year :

    2013.04
    -
    2019.03
     

    Fukazawa Yoshiaki

     View Summary

    With the widespread use of various application software (hereinafter referred to as sensor software) using sensors, there is an urgent need to develop sensor software with higher productivity and higher reliability. However, in many software engineering methods for realizing it, it is difficult to say that the property of being sensor software can not be fully utilized. Therefore, in this research, among the various methods that have been studied so far, when the target software is limited to the sensor software, it is clarified clearly what kind of method should be adapted.

  • Research on development and maintenance of software product lines

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)

    Project Year :

    2009
    -
    2012
     

    FUKAZAWA Yoshiaki, SHIROGANE Junko, WASHIZAKI Hironori

     View Summary

    In order to improve productivity of software development, to improve stability of quality and to shorten the lead time of software development, product line development of software is attention whose target is a product family in the same domain. The software product line development is a method of large-scale reusing software components systematically. The purpose of this research was to develop a qualified software product lines by the given methodology, and to utilize it. In particular, our research target is optimal representation method of core assets, establishment of a clear scoping technique, and selection method of core asset. For these purposes, we pointed out some problems, presented countermeasures, and verify its effectiveness. In addition, we suggested a new maintenance method of core asset was proposed. It will be possible that the application of the product line in this research makes the application developments easy for high reliability with high productivity.

  • A middleware for open wireless sensor networks

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)

    Project Year :

    2007
    -
    2009
     

    HONIDEN Shinichi, FUKAZAWA Yoshiaki, YOSHIOKA Nobukazu, ISHIKAWA Fuyuki, TEI Kenji

     View Summary

    We proposed a middleware for open wireless sensor networks, which will be a key infrastructure for context-aware software, and released it. Our middleware can maintain wireless sensor network for long periods.

  • A research on a new utilization method of sofeware components

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Project Year :

    2006
    -
    2007
     

    FUKAZAWA Yoshiaki

     View Summary

    Component-based software development(CBD) is based on building software systems from previously-existing software components. In CBD, reuse of common parts in component form can reduce the development cost of new systems, and reduce the maintenance cost associate with the support of these systems. However, existing programs have usually been built using another paradigm, such as the Object-Oriented (OO) paradigm. OO programs cannot be reused rapidly or effectively in the CBD paradigm even if they contain reusable functions. We propose a technique for extracting components from existing 00 programs by our new refactoring Extract Component. Our technique of refactoring can identify and extract reusable components composed of classes from OO programs, and modify the surrounding parts of extracted components in original programs. We have developed a system that performs our refactoring automatically and extracts Java Beans components from Java programs. As a result of evaluation experiments, it is found that our system is useful for extracting reusable components along with usage examples from Java programs.

  • A research on automatic component extraction and retrieval method

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Project Year :

    2004
    -
    2005
     

    FUKUZAWA Yoshiaki

     View Summary

    To realize appropriate software reuse, it is necessary to seek software that satisfies a given requirement. However, conventional search techniques can not realize prompt reuse of software because such conventional techniques target the program source code as the retrieval unit. In this paper, we propose a new component-extraction-based program search system. Our system analyses a collection object-oriented (OO) programs, acquires relationships among OO classes, and extracts reusablee software components composed of some classes. Moreover, our system generates indexes composed of divided type names and comments for newly extracted components. Using our system, the extracted components can be searched by keywords, and the result set can be viewed by a web browser such that the user can decide whether the query result component matches his/her requirements.

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas

    Project Year :

    2004
    -
    2005
     

  • Development of a middleware for multi-lingual processing support

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Project Year :

    2001
    -
    2003
     

    KAKEHI Katsuhiko, FUKAZAWA Yoshiaki, YOSHIDA Junichi

     View Summary

    A middleware "Unite" for multi-lingual processing has been developed. Unite is implemented in Java language with the Unicode character code set, and runs on any platform which support Java language, i.e. on every computers available in market.
    We have developed a multi-lingual processing framework "System 1". Though it covers almost all of necessary functions of multi-lingual processing, it runs only in an environment on Unix and X-window. Unite is the system intended to provide the functions of the System 1 on every computers.
    Unite is at the stage of prototyping and Mongolian language is chosen as the test case. An applet has been developed as an application of Unite : a simple text editor to handle document which contains Japanese and Mongolian sentences. As an input method, we adopt a Romanization of Mongolian language. We will provide a personalization feature on this applet to define ones own Romanization.

  • コンポーネント指向ソフトウェア開発の推進支援ツールに関する研究

    社団法人 情報サービス産業協会 高度情報技術指向企業クラブ 

    Project Year :

    2001
    -
    2003
     

  • DSPを含むシステム向きハード・ソフト協調設計プロジェクト

    文部科学省 

    Project Year :

    1999
    -
    2003
     

  • Global GRIDの研究

    文部科学省 

    Project Year :

    1999
    -
    2003
     

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas

    Project Year :

    2002
     
     
     

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas (C)

    Project Year :

    2001
     
     
     

  • Research On the Usage Support For Object-Oriented Frameworks

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Project Year :

    1999
    -
    2000
     

    FUKAZAWA Yoshiaki

     View Summary

    The application software development using frameworks is performed by customizing abstract elements such as abstract classes and virtual functions in "hotspot". Effective customization is realized by following the implementation manners which the framework designers have assumed. In this implementation manners, relations and constraints of classes and members play an important role. But these manners are implicitly described in the framework software, and manuals and header-files for the framework don't have enough power to specify these manners. These manners are called as "implicit constraints", and a formal language ACML is defined to describe these. In this paper, an effective customization method is proposed by showing the required information based on the ACML description.

  • アプリケーションフレームワークの変更支援に関する研究

    社団法人 情報サービス産業協会 高度情報技術指向クラブ 

    Project Year :

    1997
    -
    1999
     

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas (A)

    Project Year :

    1998
     
     
     

  • Evaluation of Prototyping System for Formal Specification

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)

    Project Year :

    1995
    -
    1996
     

    FUKAZAWA Yoshiaki

     View Summary

    In software development, it is necessary to analyze and define exactly what properties and functions are required. For this purpose, formal specification plays a significant role, and many formal specification languages have been proposed. In these languags, Specification language Z,which is based on Zermelo-Frankel set theory, is widely adopted. In language Z,every partial function in schemes, shall be single-valued according to the axiom of replacement, If specification is defined completely so that it can be proved that contained the partial functions are single-valued, descriptions concerning its design and its implementation are often mixedly specified in the specification. In order to make the specification omplete for the axiom of replacement, it is necessary that the description language assures partial functions are single-valued implicitly. Therefore, we defined language ZZ,in which a partial function can be described with the incomplete definitions. Furthermore, we introduced the execution specification which gives information about its design and implementation. The separation into the specification and the execution specification keeps the description for the required software high-level and realizes the prototyping of the specification with its execution specification

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas

    Project Year :

    1994
     
     
     

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for General Scientific Research (C)

    Project Year :

    1994
     
     
     

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas

    Project Year :

    1992
    -
    1994
     

  • Research on Software Agent Techniques

    Project Year :

    1990
     
     
     

  • タイトル(英語)

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Encouragement of Young Scientists (A)

    Project Year :

    1989
     
     
     

  • Research on Computer Aided Design Techniques

    Project Year :

    1987
     
     
     

  • Research on Optimizing Compiler Techniques

    Project Year :

    1987
     
     
     

▼display all

Specific Research

  • 3次元入出力デバイスを用いた高操作性GUI開発に関する研究

    2021  

     View Summary

     ソフトウェアの開発とは、各種の文書作成と考えることができ、他人が作成した文書を理解する作業は、多人数によるソフトウェア開発の本質である。一方、近年、仮想現実(Virtual Reality:以下VRと記す)に関する研究・実用化が進んできており、コンピュータゲームなどのエンターテインメントの他、手術などのシミュレーションや芸術の鑑賞の補助などに実際に利用されるようになってきている。本研究では、ソフトウェア開発・保守で使用される各種の文書にトレーサビリティリンクを加えたもの理解にVRを用いることができるか、用いることができるとすると、どのように表現することが最も効率的であるかを明らかにすることを研究目的とした。

  • センサーソフトウェア工学の確立に関する研究

    2019  

     View Summary

     センサー技術・アクチュエータ技術の発達により、物理世界と密に連携したアンビエントシステムを実現する基盤が整ってきた。このようなシステムは、不具合が生じた場合の社会的な影響が大きいため、従来のシステムと比べて、より高い信頼性が求められる。従って、高信頼なアンビエントシステムを実現するための開発手法を研究する必要性は高い。 本研究では、センサーを利用した各種のアプリケーション・ソフトウェア(以下、センサー・ソフトウェアと呼ぶ)に適用ドメインを限定した場合に、どのようなソフトウェア工学的手法が有効であるかを究明するとともに、センサー・ソフトウェアの開発に有効はソフトウェアについての研究を進め、公開することにより、多くの利用者に実際に利用してもらった。ただし、本研究を通して、センサー・ソフトウェアは、オブジェクト指向に基づいて開発していくことを前提とした。

  • セキュリティを重視したIoTソフトウェアの開発に関する研究

    2019  

     View Summary

    &nbsp; 本研究では、セキュリティ・パターンに関する研究とそのセキュリティ・パターンを利用したソフトウェア開発支援技法に関する研究を実施した。これまでパターンに関する研究は、ある作業/プロセスにおいて、利用可能なパターンのライブラリを構築し、パターン利用者は、そのライブラリを学び、自らが開発中のソフトウェアに対して、適用していくことが主であった。本研究では、セキュリティを重視しながら、開発対象をIoTアプリケーション、適用するパターンをIoTソフトウェア・パターンとした時に、どのようなことが可能であるのかを明らかにした。

  • 仮想現実技術の利用によるソフトウェア理解支援に関する研究

    2018  

     View Summary

    Previous studies have researched how developer experience affects code quality, but they ignore work difficulty, although experienced developers are more likely to work on the more complex parts of a project. To examine work difficulty, we focus on revised files. Using product metrics, we evaluate file complexity in each type of file origin. Specifically, we analyze three large commercial projects (each project has about 250,000 LOC) executed by the same organization to analyze the relationship between previous project experience and developer's work. Although experienced developers do not always work on more complicated files, they introduce fewer defects, especially if the difference in work difficulty is not significant.

  • セキュリティを重視したIoTソフトウェアの開発・保守に関する研究

    2018  

     View Summary

    In IoT, gateways are used as relay points so that resources deployed in environment communicate with each other. When some communication paths are connected with one gateway, the number of paths interrupted by gateway failure increases. In an environment where real-time communication is required, loss of data due to gateway failure is unacceptable. Therefore, the method to determine routing topology with fewer paths that are interrupted by gateway failure. In this paper, we propose a method to generate a fault-tolerant routing topology by genetic algorithm. From our experimental results, it is shown that the topology that communication routes do not concentrate on one gateway can be obtained in realistic time by the proposed method.

  • 3次元入出力デバイスを用いた高操作性GUI開発に関する研究

    2018  

     View Summary

    &nbsp; 近年、iPhoneやAndroidなどのスマートフォンをはじめとしてタッチパネル操作を用いた携帯端末であるスマートデバイスを多くの人々が利用している。しかし画面の大きさやボタン等の数に制限が存在し、操作方法にも 制約が生まれている。追加の操作方法としてもジャイロ センサーやアイトラッキングによるものやヘッドマウントディスプレイを用いたものがあるが、画面を動かす必 要がある事やカメラの起動や新たなデバイスが必要になるなどスマートデバイス本来の利点が失われてしまう場合が多い。本研究では、これらの携帯可能なスマートデバイスに対する新たな入力方法として頭部の動作による 入力に注目する。 この頭部動作の入力による操作をアプリケーションに追加した場合のユーザ体験を観察し、それがどの様にすれば向上するのか、必要な条件は何なのかについて言及した。

  • 3次元入出力デバイスを用いた高操作性GUI開発に関する研究

    2017  

     View Summary

    本研究では、これまでに行ってきた2次元のGUIに関する研究を発展させ、3次元の入出力をソフトウェアで利用するために、3次元GUIの表現方法やその操作方法、開発手法の確立を目指した。具体的には、3 次元でのGUI の表現について、どのような表現方法および操作方法が可能であるか、様々なものを試行し、それらの操作性を評価した。健常者や障碍者、若年者や高齢者など、ユーザのタイプによる、表現方法や操作性もあわせて検討した。その上でより適切な表現および操作方法を確定し、それに基づいて、開発の方法や操作性の向上に関するガイドラインを策定した。

  • 仮想現実技術の利用によるソフトウェア理解に関する研究

    2017  

     View Summary

     ソフトウェア開発において、要求仕様書、設計仕様書、プログラムとの間には、どの要求が、どのようにして設計仕様書のどこで表現され、その設計結果は、どのようにしてプログラムのどこで表現されているのかという関係が存在をする。この三者の部分ごとの対応関係をたどることができることをトレーサビリティがあると呼び、この各々の関係をトレーサビリティリンクと呼ぶ。 一方、近年、仮想現実(以下VRと記す)に関する研究・実用化が進んできている。本研究では、ソフトウェア開発・保守で使用される各種の文書の理解にVRを用いることができるか、用いることができるとすると、どのように表現することが最も効率的であるかを明らかにした。

  • IoTソフトウェア工学の確立に関する研究

    2016  

     View Summary

     &nbsp; IoTの重要性が広く認識されるようになるにつれて、高い生産性で、高い信頼性をもったIoTソフトウェアの開発が急務となってきている。本研究では、これまでの各種手法の中で、対象ソフトウェアをIoTソフトウェアに限定した場合に、どのような手法をどのように適応させていくべきかを明確にすることを目的とした。  これまで我々は、パターンの検出に関して、さまざまな研究を行ってきた。本研究では、これら先行研究結果を、IoTソフトウェアの重要な一部であるセンサーソフトウェアに適用することによって、センサーソフトウェアパターンの抽出を行った。この結果を分析し、これまで提案してきたアルゴリズムのカスタマイズを行った。

  • センサー・アプリケーションの開発方法に関する研究

    2014  

     View Summary

     センサーソフトウェア開発者は、データ計測・処理をセンサーノードが散在するネットワーク上での分散処理として実現する必要がある。しかし、この時、センサーノードの通信、センサーノードへのタスク割当てを決定する必要があり、データフローとセンサーノードの振舞いとの間に乖離が存在する。この乖離が、センサーソフトウェアの開発を困難にする一つの要因となっている。この乖離による困難さを低減するため、データフローからセンサーノードの振舞いを段階的に決定可能なモデル駆動開発が必要となる。そこで、3段階の開発プロセスを提案・実現した。また、モデル間の変換規則を導入することにより、モデルの詳細化の支援を行った

  • 3次元表示環境向けGUIとその開発支援手法に関する研究

    2014  

     View Summary

    &nbsp; これまでに行ってきた2次元のGUIに関する研究を発展させ、3次元の入出力をソフトウェアで利用するために、3次元GUIの表現方法やその操作方法、開発手法の確立を目指した。このために、3 次元でのGUI の表現について、どのような表現方法および操作方法が可能であるか、様々なものを試行し、それらの操作性を評価してみた。健常者や障碍者、若年者や高齢者など、ユーザのタイプによる、表現方法や操作性もあわせて検討した。さらに、どのような表現および操作が実現可能で、どのような表現および操作が、現状では実現が難しいかを明らかにしつつある。その上でより適切な表現および操作方法を確定し、それに基づいて、開発の方法や操作性の向上に関するガイドラインを策定することも考えていたが、これについては、今後の課題とした。

  • 3次元表示環境向けGUIの提案およびその開発支援手法に関する研究

    2013  

     View Summary

     3次元ディスプレイが登場し市販され、3次元で情報を表現できるようになったことにより、従来、2次元で表現をしていたGUIも、立体的に表現することにより、より多くの情報を含めることができたり、操作性を向上させることができたりなど、操作性の大幅な革新が期待できる。本研究では、3次元でGUIを表現する際の操作性の向上を目的とし、表現方法のガイドラインの策定及び3次元でのGUIを容易に開発するための手法についての予備研究を行う。本研究では、3次元ディスプレイを用いて、疑似的ではない真の3次元のGUIの実現を目指している。真の3次元GUIについての研究はまだほとんど存在せず、実用化には至っていない。我々の研究では、3次元のウィンドウを構成し、そこに3次元のウィジェット(GUIの構成要素)を配置していく。2次元のウィンドウでは、基本的には、ウィジェットを上からオーバーラップさせ、下位ウィジェットを隠ぺいすることしかできなかった。しかし、3次元のウィンドウ内では、多くのウィジェットに対して奥行きをもたせて配置することが可能となる。つまり、より必要性の高いウィジェットを前面に、必要性が低いウィジェットを背面に配置することにより、操作性を上げることができると考えている。また、3次元のウィジェットを新たに創出することにより、一つのウィジェットのもつ機能を増加させることができる。これは、3次元向きの新しい入力デバイスの提案にもつながり、大きな技術革新につながっていくと考えられる。 今年は、以下のような研究を行い、次年度の科研費・萌芽研究に採択されるための予備研究とした。・現在、プラットフォームごとに、ガイドラインを作成し、それを遵守したGUIを開発し、ソフトウェアの利用容易性をあげようとしている。これらをサーベイし、3次元環境にそのまま適用できそうなものと、できなさそうなものに、分類した。後日、3次元に特有なガイドラインを作成し、これに加えることによって、3次元用のGUIガイドラインを構築することとなる。・3次元の環境を、通常のGUIパッケージとして開発するのか、Web用のパッケージとして開発するのかで、研究の方法は大きく変わってくる。本年度は、JavaScriptを使用したWebサイトのアクセシビリティ評価支援を考え、これを3次元に流用可能かどうかについての考察を行った。その結果として、かなりの部分の流用が可能であろうという感触を得ている。・近年タブレットが広く普及してきており、タブレットに対しても、3次元化が可能かどうかの検証をおこなった。その結果として、画面の大きさや解像度から、通常のディスプレイと同様の手法の適用は難しいという結果を現時点では得ている。

  • パターン活用環境による大規模知識再利用の実現に関する研究

    2007  

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     ソフトウェアパターンとは,ソフトウェア開発の各局面で繰り返し現れる問題に対する解法・指針である.ソフトウェアパターンを学習することにより,熟練したソフトウェア技術者が持つ様々な経験を,ソフトウェアパターンによって利用できるようになる.  ソフトウェアパターンに関する取り組みの初期においては,パターンの収集が重要であるとされたが,現在では,すでに多数のソフトウェアパターンがWorld Wide Web (WWW) や書籍で公開されているため,今後の取り組みにおいては,パターンの収集と共に既存パターンの体系化が重要である.パターン体系は,対象パターン集合について,パターン間の関連を明確化し,利用や組み合わせのための指針を提供する  現状では,パターン間関連の考察は,主に人手によって行われているが,パターン数の増加に伴って,関連を考察すべきパターン組の個数が爆発的に増加する.我々は,パターン間関連分析の自動化のために,文書類似度を基礎としたソフトウェアパターン間関連分析手法を提案してきている.本研究では,昨年度までに,すでに提案された分析手法とは異なるパターン間関連を得るために提案手法を拡張した.提案手法を用いることで,人手による多数のパターン間関連分析を支援することができることを確認した. これを本年度は以下のように拡張した.ソフトウェア設計には,ソフトウェア全体構造の設計から実装に近い詳細な動作の設計まで幅広い抽象度が存在するが,その分類は数段階のおおまかなものでしかなかった.さらに,あるパターンカタログに存在する多様な抽象度のパターンをすべて同列に扱っていた.本研究では,上述の問題に対処するためパターンの抽象度測定法および可視化手法を提案した. 提案手法は以下の長所を持つ.(1)パターン間の半順序関係を用いることで,パターンカタログをまたいだ分析が可能である.(2)各パターン間の参照関係のみからパターン集合全体における位置づけとなる抽象度値が得られる.(3)2種類の可視化手法を用いることで,直感的な粒度の把握が可能である.

  • パターン活用環境の実現による大規模知識再利用

    2006  

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     ソフトウェアパターンとは,ソフトウェア開発の各局面で繰り返し現れる問題に対する解法・指針である.ソフトウェアパターンを学習することにより,熟練したソフトウェア技術者が持つ様々な経験を,ソフトウェアパターンによって利用できるようになる.パターンカタログは,統一された記述形式のパターンの集合である.パターンカタログに,実際の利用や組み合わせのための指針を加えたものがパターン体系である. ソフトウェアパターンに関する取り組みの初期においては,パターンの収集が重要であるとされたが,現在では,すでに多数のソフトウェアパターンがWorld Wide Web (WWW) や書籍で公開されているため,今後の取り組みにおいては,パターンの収集と共に既存パターンの体系化が重要である.パターン体系は,対象パターン集合について,パターン間の関連を明確化し,利用や組み合わせのための指針を提供する.  現状では,パターン間関連の考察は,主に人手によって行われているが,パターン数の増加に伴って,関連を考察すべきパターン組の個数が爆発的に増加する.そのため,人手によるパターン体系化はスケーラビリティに欠ける.よく関連分析されたパターン集合は,特に大規模なものでも70 個程度であり,組み合わせ爆発を考えれば,人手のみで関連分析可能なパターン集合の規模は,現実的には数百個程度であると推測される.これに対して,少なくとも約700 個のソフトウェアパターンが存在することが確認されている.さらに,国際会議でパターンが発表されているため,実際のパターン数はさらに多く,これらのパターン間の関連分析は人手では困難である.我々は,パターン間関連分析の自動化のために,文書類似度を基礎としたソフトウェアパターン間関連分析手法を提案した.本研究では,すでに提案された分析手法とは異なるパターン間関連を得るために提案手法を拡張した.提案手法を用いることで,人手による多数のパターン間関連分析を支援することができる.

  • フレームワークを用いたアプリケーション開発支援環境に関する研究

    2004   鷲崎 弘宜

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    オブジェクト指向フレームワークにおけるホットスポットは、抽象クラスやインタフェースのような抽象要素によって表現された、特定の要求に応じて適合される基礎的要素ある。オブジェクト指向フレームワークはオブジェクトの協調関係によって設計が表現されているため、特定の拡張要求に対する適合を複数のホットスポットの具象化によって実現しなければならない場合がある。このような場合には、ある拡張可能な機能単位を独立したホットスポット、すなわち単独の抽象クラスまたはインタフェースによって与えることは困難である。このことは、与えられた開発要件に対して具象化すべきホットスポットの同定を困難にする。さらに、複数のホットスポットを含んだ協調関係の理解やそれらの円滑な具象化を妨げる要因となる。本研究では、アスペクト指向技術を応用し、拡張要件に応じた複数オブジェクトにまたがる協調関係をモジュール化してホットスポットの構成要素とする手法を提案する。個々の拡張すべき要件に関して必要なオブジェクトの協調関係を局所化することで、アプリケーション開発者に対し、簡潔かつ明快なホットスポットが明示できる。これにより、フレームワークの具象化コストを削減できる。

  • フレームワークを用いたアプリケーション開発支援環境に関する研究

    2001  

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    オブジェクト指向フレームワークはある特定のアプリケーションドメインにおける設計や実装を再利用するためのクラスライブラリである。フレームワークはフレームワークを構成するクラス間に協調関係を持ち、ライブラリ全体でアプリケーションの骨組みを体現する。フレームワークの利用者は、個々のクラスではなくクラスの階層構造全体を再利用し、必要に応じてフレームワークにカスタマイズを行なうことでアプリケーションを構築する。クラス間の関係まで再利用できるため、設計と実装のコストを大幅に削減することが期待でき、また、他のアプリケーションにも用いられるため、高い品質の設計及びコーディングの誤りの低減なども期待できる。 しかし、将来そのアプリケーションドメインにおいて必要とされる機能を予測することは困難であり、ただ一度の設計で必要十分な機能を提供するフレームワークを構築することは非常に難しい。その原因としては、フレームワークの構築の初期においては、ドメイン分析が不十分であったり、アプリケーション開発の経験が不足していることが多くあり、このためにフローズンスポットとホットスポットの適切な分離が困難であることがあげられる。その他に、フレームワークの設計がそのベースに用いた具体的なアプリケーションプログラムに強く依存する事も原因として挙げられる。そのため、フレームワークのライフサイクルにおいて成熟・洗練のプロセスは必須で、成熟・洗練はフレームワークの再構成によって達成される。 未成熟なフレームワークの再構成ではドメイン分析は不十分であるため、クラス間の関係が厳密には定義されていない。そこで、再構成にあたりフレームワークを静的に解析する場合もサンプルの情報を利用する場合にも製作者の意図を補足する情報が必要であると我々は考えている。本稿では、フレームワーク製作者の設計意図を記述する形式的言語を導入し、その記述に基づいて、フレームワークを再構成する手法を提案した。

  • ソフトウェアによる投機的例外処理の実現に関する研究

    1999  

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     計算機の高速化の主要な技術として命令レベルでの並列処理が挙げられる。命令レベル並列処理においてその並列性を高く引き出すためには、命令の投機的実行を行ない、同時に実行可能な命令の数を増やすことが重要である。しかしながら、ロード命令等の例外を起こす可能性のある命令を投機的に実行することは、プログラムの実行時間に大きな遅延を起こさせる可能性がある。この問題を解決する投機的実行支援機構がいくつか提案されているが、それらにはハードウェア制御を行なうためにハードウェアの使用量が増大する、あるいは再実行の必要のない命令まで再実行するためにレジスタを多く必要としてしまうという問題点が存在する。 本方式では、投機的例外をソフトウェアで処理することでハードウェアの使用量が増大するという問題を解決した。同時に、例外を起こした投機命令およびそれに依存する投機命令の命令アドレスをたどることで、必要のある命令だけの再実行を行ない、レジスタの使用量が増大するという問題も解決した。 具体的には、本方式では、投機的例外処理をセンチネルスケジューリングやnon-excepting 命令方式と同様に、ソフトウェアで制御を行なう。また、例外を起こした投機命令およびそれに依存する投機命令の命令アドレスをたどることにより、必要な命令、即ち例外を起こした命令に依存する投機命令だけを再実行する。これにより、再実行のために保証されなければならないレジスタの数が増大することを防ぐことができ、並列性を高めることができる。本方式では、この機能をハードウェアの負担をできる限り少なくするように、例外が起こったときに起動される割込みハンドラにその処理法を記述する。 評価結果を分析してみると、本方式は、性能という点でブースティング方式、non-exceping命令方式、センチネルスケジューリング方式より高い並列性を引き出せているといえる。また、本方式と同様にソフトウェアで投機的例外処理を制御する、non-excepting命令方式やセンチねスケジューリング方式と比較して、近年の多くのプロセッサが所有するレジスタ数32で明確な性能の差が現れている。本評価では小規模なコードを対象としているが、既存のプロセッサにより大規模なコードに本方式を適用した場合、その性能の差は顕著に表れてくるものと推察される。

  • 新世代汎用プロセッサGIFTの並列処理機能向上に関する研究

    1998  

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     プロセッサの動作速度の上昇に伴い、レジスタやALUといったプロセッサ資源を有効に活用することが、計算機の性能の向上のために重要となってきている。従来より、さまざまなレジスタ割付け技法やコードスケジューリング技法が提案され、プロセッサ資源の有効活用がはかられてきた。 プロセッサの性能を引き出すためには、レジスタ割付けやコードスケジューリングといった、プロセッサ資源の使用に関する最適化が不可欠である。命令レベル並列プロセッサの登場や、レジスタ数の増加などにより、これらの最適化の重要性は非常に高まっている。しかしながら一般に広く使われているレジスタ割付け手法では、プロセッサの並列性について十分に考慮されているとは言えない。本研究では、レジスタ生存グラフと呼ばれる、命令間の依存関係とコード中の並列性を構造に含むグラフを用いた手法を提案した。本手法では、このグラフをシリーズパラレル型のグラフに変形することによりコード中の並列性の抽出を行ない、この結果と協調しながら同時にレジスタ割付けを行なう。本手法を用いることにより、プロセッサの並列性を生かしたレジスタ割付け及びコードスケジューリングを行なうことが可能となる。 本手法は、プログラム中の最内ループに適用され、その部分の命令レベル並列プロセッサ向けに最適化されたコード生成を行なう。具体的には、まず、入力されたGPDGからシリーズパラレル型レジスタ生存グラフを生成する。次に、そのシリーズパラレル型レジスタ生存グラフにおいて、Sスイート、Pスイートを抽出する。その次に、抽出したSスイート、Pスイートを用いて、生成されたシリーズパラレル型レジスタ生存グラフの最大干渉度低減操作を行なう。最後に、最大干渉度を実レジスタ以下に低減させたシリーズパラレル型レジスタ生存グラフ上におけるレジスタの使用の時間順序を守るための依存を元のGPDGに加え、そのGPDGに対してコードスケジューリング及びレジスタ割付けを行なう。

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