研究業績

Saki Imanishi, Masato Kikuchi, Tadachika Ozono:
Soft Confidence: Conservative Confidence Measure Using Frequency-Based Uncertainty,
IEICE Transactions on Information and Systems D (Japanese Edition), vol.J109-D, no.1, pp.43–56, 2026.

Florence Gundidza, Masato Kikuchi, Tadachika Ozono:
From Unstructured Reports to Exploratory Causal Modeling: A Modality-Aware AI Pipeline for Infrastructure Delay Analysis,
Big Data and Cognitive Computing (BDCC), vol.10, no.8, 269, pp.1–38, 2026.

Florence Gundidza, Masato Kikuchi, Tadachika Ozono:
Navigating the Certainty Gap: The Hydraulic Effect of Evidence-Constrained LLMs in Professional Decision-Making,
IEEE Access, pp.1–29, 2026.

Takumi Kato, Yuko Sakurai, Masato Kikuchi, Tadachika Ozono, Masato Shinoda, Satoshi Oyama:
Probing, Patching, and On-Demand Activation Steering of Piece-in-Hand Representations in Shogi-GPT,
Proceedings of the 25th IEEE/WIC International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT 2026), pp.1–8, 2026 (to appear).

Abdulmalik Ajibola Adeyemo, Masato Kikuchi, Tadachika Ozono:
Adaptive Research Student Mentoring via SRL-Aligned and Contestable AI Feedback,
Proceedings of the 22nd International Conference on Intelligent Tutoring Systems (ITS 2026), LNCS, pp.1–8, 2026 (to appear).

Masato Kikuchi, Masatsugu Ono, Toshioki Soga, Tetsu Tanabe, Tadachika Ozono:
CEFR-Annotated WordNet: LLM-Based Proficiency-Guided Semantic Database for Language Learning,
Proceedings of the 15th Language Resources and Evaluation Conference (LREC 2026), pp.3645–3661, 2026.

Franck Arnaud Liehouan, Masato Kikuchi, Tadachika Ozono:
Boundary Failure in AI-Based SAM Diagnosis: A Clinically-Informed Evaluation Framework Under Realistic Missingness,
Proceedings of the 23rd Pacific Rim International Conference on Artificial Intelligence (PRICAI 2026), Lecture Notes in Artificial Intelligence, pp.1–16, 2026 (to appear).

Shiori Nakamura, Masato Kikuchi, Tadachika Ozono:
A Study on Probabilistic Instruction Following Problems in LLM-Simulated Surveys,
IEICE Technical Report, IEICE Technical Report, vol.126, no.SIG-AI(6), pp.1–6, 2026 (to appear).

Takuya Kato, Yuko Sakurai, Masato Kikuchi, Tadachika Ozono, Masato Shinoda, Satoshi Oyama:
Finding the Whereabouts of Memory: Linear Representation Analysis of Pieces in Hand in Shogi GPT,
25th Forum on Information Technology (FIT2026), no.7f-2, pp.1–2, 2026 (to appear).

Yudai Yamamoto, Masato Kikuchi, Tadachika Ozono:
Identity-Suppressed Facial Expression Recognition via Adversarial Learning and Dynamic Feature Masking,
25th Forum on Information Technology (FIT2026), no.7k-7, Interactive 6-14, pp.1–2, 2026 (to appear).

Shiori Nakamura, Masato Kikuchi, Tadachika Ozono:
Comparing Tone-Controlled LLM-Simulated Surveys with Real-World Survey Data,
25th Forum on Information Technology (FIT2026), no.3j-5, Interactive 2-28, pp.1–2, 2026 (to appear).

Kota Fujimoto, Masato Kikuchi, Tadachika Ozono:
A Negotiation Agent Based on an Offer Ordering Method Considering Utility Estimation Disruption,
Tokai-Section Joint Conference on Electrical, Electronics, Information, and Related Engineering, no.2C-3-1, pp.1–1, 2026.

Toshikazu Ogura, Masato Kikuchi, Tadachika Ozono:
Nekotiator: A Message Strategy-Aware Agent in Human-Agent Negotiation,
Tokai-Section Joint Conference on Electrical, Electronics, Information, and Related Engineering, no.2C-3-3, pp.1–1, 2026.

Yuto Morikawa, Masato Kikuchi, Tadachika Ozono:
A Penalty-Avoidance-Oriented Negotiation Strategy over Profit Maximization,
Tokai-Section Joint Conference on Electrical, Electronics, Information, and Related Engineering, no.2C-3-2, pp.1–1, 2026.

Shiori Nakamura, Masato Kikuchi, Tadachika Ozono:
Analysis of LLM Choice Behavior under Stereotype-Based Tone Output Instructions,
The 40th Annual Conference of the Japanese Society for Artificial Intelligence (JSAI 2026), no.4Yin-B-11, pp.1–4, 2026.

Yoshihiro Hayashi, Masato Kikuchi, Tadachika Ozono:
An LLM-Based Iterative Proofreading System Using a Human-Readable Natural-Language Paper Checklist,
The 40th Annual Conference of the Japanese Society for Artificial Intelligence (JSAI 2026), no.4Yin-B-03, pp.1–4, 2026.

Rena Suzuki, Masato Kikuchi, Tadachika Ozono:
Evaluation of a Method for Adding Visual Emphasis to Slide Videos Considering Non-linearity of Explanation Order (courtesy translation from Japanese),
The 88th National Convention of IPSJ, vol.4, 6ZM-01, pp.1031–1032, 2026.

Kohei Ajiki, Masato Kikuchi, Tadachika Ozono:
Prototype of a Conference Information Collection System Aimed at Automatic Identification of Primary Sources (courtesy translation from Japanese),
The 88th National Convention of IPSJ, vol.2, 4ZG-02, pp.521–522, 2026.

Yudai Yamamoto, Masato Kikuchi, Tadachika Ozono:
一般的表現からの専門用語同定におけるLLM推論プロセスの段階分解について,
The 88th National Convention of IPSJ, vol.2, 4ZF-05, pp.1007–1008, 2026.

Masato Kikuchi, Masatsugu Ono, Toshioki Soga, Tetsu Tanabe, Tadachika Ozono:
CEFR-Annotated WordNet：LLMベースの熟達度ガイドを統合した英語学習用意味データベース,
Proceedings of the 18th Forum on Data Engineering and Information Management (DEIM 2026), no.3B-01, pp.1–8, 2026.

Kohei Ajiki, Masato Kikuchi, Tadachika Ozono:
Identification of Primary Information Sources Based on LLMs for Conference Information Collection Systems (courtesy translation from Japanese),
SMASH26 Winter Symposium, IEICE Technical Report, vol.125, no.363, AI2025-16, pp.19–24, 2026.

Rena Suzuki, Masato Kikuchi, Tadachika Ozono:
On Grounding Slide Objects to Audio Scripts Using Large Language Models (courtesy translation from Japanese),
SMASH26 Winter Symposium, IEICE Technical Report, vol.125, no.363, AI2025-13, pp.1–6, 2026.

Rena Suzuki, Masato Kikuchi, Tadachika Ozono:
Script-to-Slide Grounding: Grounding Script Sentences to Slide Objects for Automatic Instructional Video Generation,
Proceedings of the 21st International Conference on E-Service and Knowledge Management (ESKM 2025-Winter), pp.1–6, 2025.

Yudai Yamamoto, Masato Kikuchi, Tadachika Ozono:
Developing an Explainable Paper Retrieval System with Less Reliance on LLMs,
Proceedings of the 9th International Natural Language Processing and Information Retrieval (NLPIR 2025), pp.681–695, 2025.

Tadachika Ozono, Yuna Kaneko, Masato Kikuchi:
Assessing Lecture Difficulty and Unexpected Events Using Subtle Facial Cues,
Proceedings of the 26th International Conference on Artificial Intelligence in Education (AIED 2025), CCIS, vol.2591, pp.366–373, 2025.

Muhd Izzuddin Aiman, Florence Gundidza, Masato Kikuchi, Tadachika Ozono:
Toward Structured Understanding of Human-Wildlife Conflict News: Malaysian Case Study on Elephant Incidents,
Proceedings of the 20th International Conference on E-Service and Knowledge Management (ESKM 2025), pp.1–6, 2025 (to appear).

Takumi Kato, Masato Kikuchi, Tadachika Ozono:
On-Demand Instructional Material Providing Agent Based on MLLM for Tutoring Support,
Proceedings of the 20th International Conference on E-Service and Knowledge Management (ESKM 2025), pp.1–6, 2025 (to appear).

Shiori Nakamura, Masato Kikuchi, Tadachika Ozono:
Customer Analysis and Text Generation for Small Retail Stores Using LLM-Generated Marketing Presence,
Proceedings of the 17th International Conference on Smart Computing and Artificial Intelligence (SCAI 2025), pp.1–6, 2025 (to appear).

Yudai Yamamoto, Masato Kikuchi, Tadachika Ozono:
最新学術会議予稿集を対象とした選択理由提示型論文検索システムの試作,
Tokai-Section Joint Conference on Electrical, Electronics, Information, and Related Engineering, no.G4-4, pp.1–2, 2025.

Yoshihiro Hayashi, Masato Kikuchi, Tadachika Ozono:
A Proposal for a Paper Proofreading Support System Based on Unsystematic Writing Rules Scattered within a Laboratory (courtesy translation from Japanese),
Tokai-Section Joint Conference on Electrical, Electronics, Information, and Related Engineering, no.H3-5, pp.1–2, 2025.