Publications
This list includes publications after 2026-04-01 only. For older publications, please see also here.
Preprints
- Zhihan Cao, Hiroaki Yamada, Simone Teufel, Tatsuya Hiraoka, Kentaro Inui, Hitomi Yanaka, and Takenobu Tokunaga. ‘Relation Geometry in Semantic Space of Language Models’. arXiv preprint. 2026. arXiv
Journals
- Randy Goebel, Yoshinobu Kano, Mi-Young Kim, Calum Kwan, Juliano Rabelo, Ken Satoh, Hiroaki Yamada, and Masaharu Yoshioka. ‘The COLIEE 2025 Competition on Legal Information Extraction and Entailment: Overview, Discussion, and Dataset Expansion’. The Review of Socionetwork Strategies 20, no. 1 (1 April 2026): 183–213. DOI
International Conference (refereed)
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Yoshinobu Kano, Randy Goebel, Mi-Young Kim, Calum Kwan, Ken Satoh, Hiroaki Yamada, Masaharu Yoshioka. ‘An Overview of the COLIEE 2026 Competition: Legal Case Law and Statute Law Information Retrieval and Entailment’. In the Proceedings of the 21th International Conference on Artificial Intelligence and Law (ICAIL2026).
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Jungmin Choi, Keisuke Sakaguchi, Hiroaki Yamada. ‘Expert Evaluation of LLM’s Open-Ended Legal Reasoning on the Japanese Bar Exam Writing Task’. In the Proceedings of the 21th International Conference on Artificial Intelligence and Law (ICAIL2026). arXiv
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Zhihan Cao, Fumihito Nishino, Hiroaki Yamada, Ha Thanh Nguyen, Yusuke Miyao, and Ken Satoh. ‘JBE-QA: Japanese Bar Exam QA Dataset for Assessing Legal Domain Knowledge’. In Proceedings of the Fifteenth Language Resources and Evaluation Conference (LREC 2026), 5317–27. 2026. DOIarXivACL Anthology
Non-refereed Papers
Talks
- 山田寛章. ‘AIで知識の鉱脈を掘る: 司法ドメインにおけるAIの利用と評価’. 第5回東京大学データサイエンティスト養成講座(UTokyoDSS)シンポジウム. Keynote.
- チェ・ジョンミン, 山田寛章. ‘日本法ドメインにおける大規模言語モデルの性能評価’. 法学教育とAI研究会(LE-AI)・2026年第3回. Invited Talk.
Misc
- 植松幸生, 狩野芳伸, 阪本浩太郎, 山田寛章, 吉岡真治. ‘NLP2026テーマセッション「法ドメインにおける言語処理」’. 自然言語処理 33, no. 2 (2026): 1065–1071. DOI