prof_pic.jpg

〒565-0871

大阪府吹田市山田丘1-5

情報科学研究科B棟3階B322

石本 優太 / ISHIMOTO Yuta

大阪大学大学院情報科学研究科 コンピュータサイエンス専攻 ソフトウェア設計学講座（楠本研究室）助教．

九州大学において，鵜林 尚靖 教授，亀井 靖高 教授（POSL Lab）の指導のもと，学士（工学，2021年），修士（工学，2023年），博士（情報科学，2026年）を取得．

研究分野

  • AIのためのソフトウェア工学 (SE4AI)： 深層学習モデル（近年だと大規模言語モデル）を含んだソフトウェアシステムのバグ限局・自動修正，品質保証．
  • 量子ソフトウェア工学 (QSE)： 量子プログラムのバグ限局・自動修正．量子ソフトウェアに関する実証的研究．
  • ソフトウェア工学のためのAI (AI4SE)： LLMを用いたプログラム修正．AIエージェント時代のソフトウェア工学．

学歴

  • 2014.4 – 2019.3 福井工業高等専門学校 電子情報工学科． 指導教員：下條 雅史 教授．
  • 2019.4 – 2021.3 九州大学工学部 電気情報工学科． 学士（工学）． 指導教員：鵜林 尚靖 教授．
  • 2021.4 – 2023.3 九州大学大学院システム情報科学府 情報理工学専攻 修士課程． 修士（工学）． 指導教員：鵜林 尚靖 教授．
  • 2023.4 – 2026.3 同専攻 博士課程． 博士（情報科学）． 指導教員：亀井 靖高 教授．

Recent News

2026

  • [2026/04] Started as an Assistant Professor at the Graduate School of Information Science and Technology, The University of Osaka.
  • [2026/03] 🎊🎓 Received a Ph.D. (Information Science) from the Graduate School of Systems Information Science, Kyushu University.
  • [2026/01] Held the public defense of doctoral dissertation “Debugging AI-enabled and Quantum Software Systems.”

2025

  • [2025/12] 🎉 Paper accepted at SANER 2026 ERA Track (Leveraging Mutation Analysis for LLM-based Repair of Quantum Programs).
  • [2025/10] Visited Prof. Gabriele Bavota at Università della Svizzera italiana (USI), Switzerland, to advance a collaborative research project.
  • [2025/09] Visited Prof. Ahmed E. Hassan and Dr. Hao Li at Queen’s University, Canada, to advance a collaborative research project.
  • [2025/09] Presented at the Top Conference/Journal Special Session at the 40th Annual Conference of JSSST, Tokai University Shinagawa Campus.
  • [2025/07] Presented a previously published paper at MLSE Summer Camp 2025, Hakone.
  • [2025/06] Presented a paper at FSE 2025, Trondheim, Norway (Journal First Track).
  • [2025/06] Presented a paper at EASE 2025, Istanbul, Turkey (Short Papers, Emerging Results Track).
  • [2025/04] 🎉 Paper accepted at EASE 2025 Short Papers, Emerging Results Track (Evaluating Mutation-based Fault Localization for Quantum Programs).
  • [2025/03] Presented at IEICE Technical Meeting on Software Science (SIGSS), Amami Oshima (paper).

2024

  • [2024/12] Gave a guest lecture at Fukui National College of Technology (my alma mater) on transferring to a university from NIT and research (slides).
  • [2024/12] Attended APSEC 2024: (1) participated as a panelist at the co-located EEE-OSS workshop; (2) presented a paper at the main Technical Track.
  • [2024/11] 🏆 Attended the 31st Workshop on Foundations of Software Engineering (FOSE 2024) and presented a poster. Received the ポスター・デモ賞.
  • [2024/10] 🎉 Paper accepted at ACM Transactions on Software Engineering and Methodology (TOSEM) (Repairs and Breaks Prediction for Deep Neural Networks).
  • [2024/09–10] Visited the lab of Prof. Fuyuki Ishikawa at the National Institute of Informatics (NII) for collaborative research.
  • [2024/09] 🎉 Paper accepted at APSEC 2024 Technical Track (An Empirical Study on Self-Admitted Technical Debt in Quantum Software).
  • [2024/07] Attended MSR Summit Japan 2024.
  • [2024/03] Gave a talk at the joint event “Informatics for all by all” hosted by 8 universities.

2023

  • [2023/10–11] Enrolled as a visiting student at Prof. Lei Ma’s lab at the University of Tokyo.
  • [2023/10] Attended QRS 2023 and presented a paper (online).
  • [2023/09] Selected as a JSPS Research Fellow (DC2) for FY2024 (研究課題名：「機械学習システムの運用時における自動的な品質保証技術の確立」).
  • [2023/09] Presented at the Top Conference/Journal Special Session at the 40th Annual Conference of JSSST, University of Tokyo Hongo Campus.
  • [2023/08] Presented an invited paper at the Software Engineering Symposium 2023 (SES 2023), Waseda University Nishi-Waseda Campus.
  • [2023/07] Attended MSR Asia Summit 2023 (Sapporo & Jozankei, Hokkaido) as Local Arrangement Chair and poster presenter. Also participated in the Researchathon, a 3-day intensive research sprint.
  • [2023/06] Presented a paper at EASE 2023, Oulu, Finland.
  • [2023/05] Attended ICSE and co-located CAIN, Melbourne, Australia. Presented a paper at CAIN.
  • [2023/04] Paper selected for the Journal First track at EASE 2023 (presentation of the IST journal paper).
  • [2023/03] 🎉 Paper accepted at CAIN 2023 (An Initial Analysis of Repair and Side-effect Prediction for Neural Networks).
  • [2023/03] 🎊🎓 Received M.Eng. degree from Kyushu University.

2022

  • [2022/11] 🎉 Paper accepted at Information and Software Technology (IST) (PAFL: Probabilistic Automaton-based Fault Localization for Recurrent Neural Networks).
  • [2022/10] Co-authored a feature article in the IPSJ Magazine “Journal of Information Processing,” November 2022 issue (Quality Assurance for AI: 5. Fault Localization and Automated Repair of Neural Network Models).
  • [2022/09–10] Visited Prof. Lei Ma’s lab at the University of Alberta, Canada, for one month of collaborative research.
  • [2022/07] 🏆 Presented at IEICE Technical Meeting on Software Science (SIGSS) (paper). Received the 令和4年度電子情報通信学会ソフトウェアサイエンス研究会研究奨励賞.
  • [2022/06] Presented a poster at the 5th MLSE Summer Camp (MLSE夏合宿2022).

2021

  • [2021/11] Presented a poster at the 2nd Workshop on Next-Generation Software Ecosystems.
  • [2021/06] 🏆 Received the 情報処理学会2021年度コンピュータサイエンス領域奨励賞.
  • [2021/03] 🎊🎓 Received B.Eng. degree from Kyushu University.
  • [2021/03] 🏆 Received the 学生研究賞 at the 207th IPSJ Special Interest Group on Software Engineering (SIGSE).
  • [2021/03] Presented at the 207th IPSJ Special Interest Group on Software Engineering (SIGSE).

Selected publications

  1. EASE
    QSE
    Evaluating Mutation-based Fault Localization for Quantum Programs
    Yuta Ishimoto, Masanari Kondo, Naoyasu Ubayashi, Yasutaka Kamei, Ryota Katsube, and 2 more authors
    In Proceedings of the 29th International Conference on Evaluation and Assessment in Software Engineering (EASE), pp. 666–671, Jun 2025. DOI: 10.1145/3756681.3757022
    DOI
  2. TOSEM
    SE4AI
    Repairs and Breaks Prediction for Deep Neural Networks
    Yuta Ishimoto, Masanari Kondo, Lei Ma, Naoyasu Ubayashi, and Yasutaka Kamei
    ACM Transactions on Software Engineering and Methodology, vol. 34, no. 4, pp. 1–42, Apr 2025. DOI: 10.1145/3702983
    Selected for the Journal First Program of FSE 2025
    DOI Code
  3. APSEC
    QSE MSR
    An Empirical Study on Self-Admitted Technical Debt in Quantum Software
    Yuta Ishimoto, Yuto Nakamura, Ryota Katsube, Naoto Sato, Hideto Ogawa, and 3 more authors
    In Proceedings of the 31st Asia-Pacific Software Engineering Conference (APSEC), pp. 41–50, Dec 2024. DOI: 10.1109/APSEC65559.2024.00015
    DOI Code
  4. IST
    SE4AI
    PAFL: Probabilistic Automaton-based Fault Localization for Recurrent Neural Networks
    Yuta Ishimoto, Masanari Kondo, Naoyasu Ubayashi, and Yasutaka Kamei
    Information and Software Technology, vol. 155, pp. 107117, Mar 2023. DOI: 10.1016/j.infsof.2022.107117
    Selected for the Journal First Program of EASE 2023
    DOI Code