Yasuaki Sumita

Hello. I’m Yasuaki Sumita (角田 康明), a 1st-year PhD student at Kashima-Takeuchi Lab, Intelligence Science and Technology Course, Graduate School of Informatics, Kyoto University.

Contact

• Email: sumita.yasuaki.73a((at))st.kyoto-u.ac.jp
• Google Scholar
• LinkedIn
• ORCID

Interests

• Natural Language Processing
  • Large Language Models
• Machine Learning

Publications

Refereed

1. Yasuaki Sumita, Koh Takeuchi, and Hisashi Kashima. Cognitive Biases in Large Language Models: A Survey and Mitigation Experiments. In Proceedings of the 40th ACM/SIGAPP Symposium on Applied Computing (SAC 2025). April 2025. (paper, arXiv (full version))

Non-refereed

1. Yasuaki Sumita, Tomoharu Iwata, Toshiyuki Tanaka. Improving Output Diversity in Large Language Models with Model Merging. The 40th Annual Conference of the Japanese Society for Artificial Intelligence. June 2026. (paper)
2. Yasuaki Sumita, Koh Takeuchi, Hisashi Kashima. Mitigating Cognitive Biases in Large Language Models. The 38th Annual Conference of the Japanese Society for Artificial Intelligence. May 2024. (paper)

Experiences

• Research Internship. NTT Social Informatics Laboratories. 2024.8.
• Software Engineer (part-time). Studio Radish. 2022.5 – 2026.3.

Research Grants

• DoGS NEXT AI Program. Kyoto University. 2026.4 – 2029.3.

Education

• Doctoral Program. Graduate School of Informatics, Kyoto University. 2026.4 – Present.
  • Supervisor: Prof. Hisashi Kashima
• Master of Informatics. Graduate School of Informatics, Kyoto University. 2024.4 – 2026.3.
  • Supervisor: Prof. Toshiyuki Tanaka
• Bachelor of Engineering. Undergraduate School of Informatics and Mathematical Science, Faculty of Engineering, Kyoto University. 2020.4 – 2024.3.
  • Supervisor: Prof. Hisashi Kashima
• Komaba Toho High School. 2017.4 – 2020.3.

Skills

• TOEIC L&R 780, 2023.5.
• Applied Information Technology Engineer Examination, 2021.12.
• Amateur Third-Class Radio Operator, 2016.3.
• Programming: Python, JavaScript, C++
  • GitHub

Other Activities

• Kyoto University Birdman Team Shooting Stars, 2020.10 – 2022.8.