Takuma Sato

E-mail: sato.takuma.sq6@naist.ac.jp

M2 @ NAIST / RIKEN GRP Yoshino Lab (Intelligent Robot Dialog Lab)
RA @ NII (National Institute of Informatics) Sugawara Lab

🏫 Education

Period	Affiliation	Degree	Supervisor
2019/04 ~ 2024/03	Faculty of Letters, Keio University, Department of Humanities and Social Sciences, Ethics Major	Bachelor of Philosophy	Prof. Naonori Tsuge Assoc. Prof. Koji Mineshima
2024/04 ~ now	Nara Institute of Science and Technology (NAIST), Graduate School of Science and Technology Information Science Domain, Master's Program Dialogue and Robotics Lab (Core Lab: Natural Language Processing Lab)	upcoming...	Prof. Koichiro Yoshino Asst. Prof. Seiya Kawano

🔍 Main Interests

Natural Language Processing / Computational Linguistics

Pragmatic reasoning abilities of language models
Computational cognitive modeling of pragmatic reasoning
Evaluation and improvement of benchmarks based on psychometric theory
Discourse relations with procedural meaning

💻 Technologies Experienced With

Python
TypeScript / JavaScript
- Next.js
- React.js
- ReactNative
Rust
Ruby on Rails
C++
Other Technologies
- AWS
- GCP
- Docker
- git(Github)

📕 Publications

Peer-reviewed

Takuma Sato, Ai Kubota, Koji Mineshima "Is Partial Linguistic Information Sufficient for Discourse Connective Disambiguation? A Case Study of Concession, Vienna, ACL-SRW 2025 (to appear)
Hirohane Takagi, Shoji Moriya, Takuma Sato, Manabu Nagao, Keita Higuchi "A Framework for Efficient Development and Debugging of Role-playing Agents with Large Language Models", Cagliari/Italy, IUI 2025
高木洋羽, 守屋彰二, 佐藤拓真, 永尾学, 樋口啓太, 「大規模言語モデルを用いたロールプレイエージェントの効率的な開発と動作検証のためのフレームワーク」, INTERACTION 2025 (2025.3).
Ai Kubota, Takuma Sato, Takayuki Amamoto, Ryota Akiyoshi, Koji Mineshima, "Annotation of Japanese Discourse Relations Focusing on Concessive Inferences", 20-25 May, Torino/Italy LREC-COLING 2024

Non-peer-reviewed

Takuma Sato, Saku Sugawara "Evaluating 'Evaluation': On Construct Validity in Language Model Assessment", The 39th Annual Conference of the Japanese Society for Artificial Intelligence Organized Session 'Technical and Social Perspectives on Datasets and Benchmarks', Osaka, May 2025 [Oral]
Takuma Sato, Seiya Kawano, Koichiro Yoshino「語用論理論を用いた文脈内学習の改善」, 情報処理学会第263回自然言語処理研究発表回, (2025年3月)
Takuma Sato, Seiya Kawano, Koichiro Yoshino「実際的な語用論的推論評価のためのデータセット構築に向けて」, 人工知能学会言語・音声理解と対話処理研究会 (SIG-SLUD) 第15回対話システムシンポジウム（第102回SLUD研究会）(2024年11月)
Takuma Sato, Ai Kubota, Koji Mineshima「BERTはどのように逆接の談話関係を判定しているか─Attention と品詞を手がかりとして─」, 言語処理学会第30回年次大会(NLP2024), 2024年3月11-15日@神戸
Takuma Sato, Ai Kubota, Koji Mineshima「含意関係と感情極性は対立的談話関係を捉えられるか」, 言語処理学会第29回年次大会(NLP2023), 2023年3月13-17日@沖縄
Ai Kubota, Takuma Sato, Takayuki Amamoto, Ryota Akiyoshi, Koji Mineshima「逆接の推論関係に着目した日本語談話関係アノテーション」, 言語処理学会第29回年次大会(NLP2023), 2023年3月13-17日@沖縄《委員特別賞》

💰 Grants

Toyota Foundation Research Grant 2024 Special Topic: New Human Society Co-creating with Advanced Technology (Individual Research)
Takuma Sato "Improvement of Pragmatic Reasoning Ability of Language Models and Its Applications"
📅 May 2025 ~ April 2027 | 💰 Grant Amount: 1,500,000 JPY | 📊 Acceptance Rate: 27.27%

🏢 Work Experience

National Institute of Informatics (NII) : 2024年10月 ~ now

Research Assistant

Supervisor: Asst. Prof. Saku Sugawara

Preferred Networks Inc. : 2024年10月 ~ 2024年12月

Part-time Employee as Researcher

Research on dialogue systems based on large language models
Supervisor: Dr. Keita Higuchi

RIKEN Guardian Robot Project : 2024年10月

Part-time Employee

Preferred Networks Inc. : 2024年8月 ~ 2024年9月

Internship as Researcher

Research on dialogue systems based on large language models
Supervisor: Dr. Keita Higuchi

LabBase Inc. : 2023年10月 ~ 2024年7月

Internship as Software Engineer

Web service backend development

Rust

Ann Inc. : 2021年9月 ~ 2023年3月

Internship as Web Engineer and ML Engineer

Natural Language Processing R&D

Python

Web frontend development

TypeScript
React.js
Next.js
React Native

🎖️ Certifications

TOEIC Listening & Reading Test 920 (2024/12)

Applied Information Technology Engineer Examination(AP): Passed (2022/10)

AtCoder Brown

🙌 Others

Music production
- Synthesizer
- Guitar
- Piano
Video production
- Adobe AfterEffects
Tennis