Profile

Research Areas

• Software metrics
• Software quality management
• Empirical approach to software engineering
• Application of operations research (OR) to software engineering

Major Publications

• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa, and Minoru Kawahara,
  ``A Quantitative Investigation of Trends in Confusing Variable Pairs Through Commits: Do Confusing Variable Pairs Survive?,''
  Proc. 28th International Conference on Evaluation and Assessment in Software Engineerg (ESE2024), pp. 90-–99, June 2024.
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa, Minoru Kawahara,
  ``An automated detection of confusing variable pairs with highly similar compound names in Java and Python programs,''
  Empirical Software Engineering, vol.28, no.5, pp.108:1--108:32, Aug. 2023.
• Shozo Saeki, Minoru Kawahara, Hirohisa Aman,
  ``Multi proxy anchor family loss for several types of gradients,
  Computer Vision and Image Understanding, Vol.229, 103654:1--103654:9, Mar. 2023.
• Kosuke Ohara, Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa, and Minoru Kawahara,
  ``A Comparative Study of Data Collection Periods for Just-In-Time Defect Prediction Using the Automatic Machine Learning Method,''
  IEICE Transactions on Information and Systems, Vol.E106.D, No. 2, pp.166–169, Feb. 2023.
• Sousuke Amasaki, Hirohisa Aman and Tomoyuki Yokogawa,
  ``An extended study on applicability and performance of homogeneous cross-project defect prediction approaches
  under homogeneous cross-company effort estimation situation,''
  Empirical Software Engineering, vol.27, no.2, pp.46:1–46:29, Mar. 2022.
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa, Minoru Kawahara,
  ``An Investigation of Compound Variable Names Toward Automated Detection of Confusing Variable Pairs,''
  Proc. 36th IEEE/ACM International Conference on Automated Software Engineering Workshop, pp.133-–137, Nov. 2021.
  [accepted version] [data]
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa, Minoru Kawahara,
  ``A Large-Scale Investigation of Local Variable Names in Java Programs: Is Longer Name Better for Broader Scope Variable?,''
  Paiva A.C.R., Cavalli A.R., Ventura Martins P., Pérez-Castillo R. (eds) Quality of Information and Communications Technology,
  Communications in Computer and Information Science, vol. 1439, Springer, pp.489–500, Sept. 2021.
  [data]
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``Empirical Study of Abnormality in Local Variables and Its Application to Fault‐Prone Java Method Analysis,''
  Journal of Software: Evolution and Process, Vol.32, No.4, pp.e2220, Apr. 2020.
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``Empirical Study of Fault Introduction Focusing on the Similarity among Local Variable Names,''
  Proc. 7th International Workshop on Quantitative Approaches to Software Quality, pp. 3--11, Dec. 2019.
  
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``A Doc2Vec-Based Assessment of Comments and Its Application to Change-Prone Method Analysis,''
  Proc. 25th Asia-Pacific Software Engineering Conference (APSEC 2018), pp.643--647, Dec. 2018.
  [accepted version]
• Akito Sunouchi, Hirohisa Aman and Minoru Kawahara,
  ``A Quantitative Analysis on Relationship between an Early-Closed Bug and Its Amount of Clues: A Case Study of Apache Ant,''
  IEICE Trans. Inf. & Syst.， vol.E101-D, no.10, pp.2523--2525, Oct. 2018.
• Keiichiro Tashima, Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``Fault-Prone Java Method Analysis Focusing on Pair of Local Variables with Confusing Names,''
  Proc. 2018 44th Euromicro Conference on Software Engineering and Advanced Applications (SEAA2018), pp.154--158, Aug. 2018.
  [accepted version]
• Hirohisa Aman, Takashi Nakano, Hideto Ogasawara and Minoru Kawahara,
  ``A Topic Model and Test History-Based Test Case Recommendation Method for Regression Testing,''
  Proc. 11th IEEE International Conference on Software Testing, Verification and Validation Workshops, pp.392--397, Apr. 2018.
  [accepted version]
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``A Survival Analysis of Source Files Modified by New Developers,''
  M. Felderer, D. M. Fernández, B. Turhan, M. Kalinowski, F. Sarro, D. Winkler (Eds.) Product-Focused Software Process Improvement, Lecture Notes in Computer Science, vol. 10611, pp.80--88, Springer, Cham, Switzerland, Nov. 2017.
  [accepted version]
  
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``Empirical Study of Abnormalities in Local Variables of Change-Prone Java Methods,''
  Proc. 2017 IEEE 28th International Symposium on Software Reliability Engineering Workshops, pp.214--221, Oct. 2017.
  [accepted version]
  
• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``Empirical Analysis of Words in Comments Written for Java Methods,''
  Proc. 2017 43rd Euromicro Conference on Software Engineering and Advanced Applications (SEAA2017), pp.375--379, Aug. 2017.
  [accepted version]
  
• Sho Suzuki, Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``An Application of the PageRank Algorithm to Commit Evaluation on Git Repository,''
  Proc. 2017 43rd Euromicro Conference on Software Engineering and Advanced Applications (SEAA2017), pp.380--383, Aug. 2017.
  [accepted version]
• Sho Suzuki, Hirohisa Aman and Minoru Kawahara,
  ``Empirical Study of Fault-Prone Method's Name and Implementation: Analysis on Three Prefixes---Get, Set and Be,''
  Proc. 2nd International Conference on Big Data, Cloud Computing, Data Science & Engineering (BCD2017), pp.266--271, July 2017.
  [accepted version]
• Yuto Miyake, Sousuke Amasaki, Tomoyuki Yokogawa and Hirohisa Aman,
  ``An Empirical Study on Relationships between Comments and Design Properties,''
  Proc. 2nd International Conference on Big Data, Cloud Computing, Data Science & Engineering (BCD2017), pp.260--265, July 2017.
• Aji Ery Burhandenny, Hirohisa Aman and Minoru Kawahara,
  ``Investigation of Coding Violations Focusing on Authorships of Source Files,''
  Proc. 2nd International Conference on Big Data, Cloud Computing, Data Science & Engineering (BCD2017), pp.254--259, July 2017.
  [accepted version]
• Yuto Miyake, Sousuke Amasaki, Hirohisa Aman and Tomoyuki Yokogawa,
  ``A Replicated Study on Relationship Between Code Quality and Method Comments,''
  Roger Lee (ed.), Applied Computing and Information Technology, Studies in Computational Intelligence 695, pp.17--30, Springer, 2017. [DOI 10.1007/978-3-319-51472-7_2]
• Aji Ery Burhandenny, Hirohisa Aman and Minoru Kawahara,
  ``Change-Prone Java Method Prediction by Focusing on Individual Differences in Comment Density,''
  IEICE Trans. Inf. & Syst., vol.E100-D, no.5, pp.1128--1131, May 2017.
• Hirohisa Aman, Aji Ery Burhandenny, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``A Health Index of Open Source Projects Focusing on Pareto Distribution of Developer's Contribution,''
  Proc. IEEE 8th International Workshop on Empirical Software Engineering in Practice (IWESEP2017), pp.29--34, Mar. 2017.
  [accepted version]
• Hirohisa Aman, Takashi Nakano, Hideto Ogasawara and Minoru Kawahara,
  ``A Test Case Recommendation Method Based on Morphological Analysis, Clustering and the Mahalanobis-Taguchi Method,''
  Proc. 10th IEEE International Conference on Software Testing, Verification and Validation Workshops, pp.29--35, Mar. 2017.
  [accepted version]
• Aji Ery Burhandenny, Hirohisa Aman and Minoru Kawahara,
  ``Examination of Coding Violations Focusing on Their Change Patterns over Releases,''
  Proc. 23rd Asia-Pacific Software Engineering Conference (APSEC 2016), pp.121--128, Dec. 2016. [accepted version]

• Hirohisa Aman, Sousuke Amasaki, Tomoyuki Yokogawa and Minoru Kawahara,
  ``Local Variables with Compound Names and Comments as Signs of Fault-Prone Java Methods,'' Proc. the 4th International Workshop on Quantitative Approaches to Software Quality (QuASoQ2016), pp.19--26, Dec. 2016. [accepted version]

• Hirohisa Aman, Yuta Tanaka, Takashi Nakano, Hideto Ogasawara and Minoru Kawahara, ``Application of Mahalanobis-Taguchi Method and 0-1 Programming Method to Cost-Effective Regression Testing,'' Proc. 2016 42nd Euromicro Conference on Software Engineering and Advanced Applications (SEAA2016), pp.240--244, Aug. 2016. [accepted version]

• Hirohisa Aman, Sousuke Amasaki, Takashi Sasaki and Minoru Kawahara,
  ``Lines of Comments as a Noteworthy Metric for Analyzing Fault-Proneness in Methods,''
  IEICE Trans. Inf. & Syst., vol.E98-D, no.12, pp.2218--2228, Dec. 2015.

• Hirohisa Aman, Sousuke Amasaki, Takashi Sasaki and Minoru Kawahara,
  ``Empirical Analysis of Change-Proneness in Methods Having Local Variables with Long Names and Comments,''
  Proc. the 9th ACM/IEEE International Symposium on Empirical Software Engineering and Measurement (ESEM2015), pp.50--53, Oct. 2015. [accepted version]