Hello, I'm Yusuke, a first-year Ph.D. student in the Department of Computer Science at the University of Tokyo. Currently, I am researching natural language processing at Miyao Group.
email: y_yamauchi [at->@] is.s.u-tokyo.ac.jp
Research Interests
Natural Language Processing (NLP)
Mechanistic Interpretability
Representation Learning
Education
Ph.D. in Computer Science(Apr. 2026 - Present)
The University of Tokyo, Japan
M.S. in Computer Science(Apr. 2024 - Mar. 2026)
The University of Tokyo, Japan
B.S. in Computer Science(Apr. 2020 - Mar. 2024)
Waseda University, Japan
Publications
* Equal contribution
2026
Mapping the Circumplex of Affect: Geometric Analysis of Emotion Representations via Hyperspherical Contrastive Learning Yusuke Yamauchi, Akiko Aizawa ACL 2026 (Main) — Best Theme Paper [Paper][arXiv][Code]
An Empirical Study of LLM-as-a-Judge: How Design Choices Impact Evaluation Reliability Yusuke Yamauchi*, Taro Yano*, Masafumi Oyamada GEM 2026 (Workshop at ACL 2026) [Paper][arXiv]
From Semantics to Style: A Cross-Dataset Comparative Framework for Sentence Similarity Predictions Yusuke Yamauchi, Akiko Aizawa Findings of EACL 2026 [Paper]
LLM-jp: A Cross-organizational Project for the Research and Development of Fully Open Japanese LLMs
LLM-jp collaboration (including Yusuke Yamauchi) arXiv Preprint [Paper]