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Hiroaki Sugiyama

4 accepted papers

2025

ToMATO: Verbalizing the Mental States of Role-Playing LLMs for Benchmarking Theory of Mind

AAAI 2025technical

Existing Theory of Mind (ToM) benchmarks diverge from real-world scenarios in three aspects: 1) they assess a limited range of mental states such as beliefs, 2) false beliefs are not comprehensively explored, and 3) the diverse personality traits of characters are overlooked. To address these challe…

2025

Training Dialogue Systems by AI Feedback for Improving Overall Dialogue Impression

ICASSP 2025accepted

To improve user engagement during conversations with dialogue systems, we must improve individual dialogue responses and dialogue impressions such as consistency, personality, and empathy throughout the entire dialogue. While such dialogue systems have been developing rapidly with the help of large…

Cited by 0SourceScholar
2024

Comparison of the Intimacy Process between Real and Acting-based Long-term Text Chats

COLING 2024main

Long-term chatbots are expected to develop relationships with users. The major trend in this field’s recent long-term chatbot studies is to train systems with virtual long-term chat data called Multi-Session Chat (MSC), which collects text chat from multiple sessions of crowd workers playing the rol…

2023

Time-Considerable Dialogue Models via Reranking by Time Dependency

EMNLP 2023long findings

In the last few years, generative dialogue models have shown excellent performance and have been used for various applications. As chatbots become more prevalent in our daily lives, more and more people expect them to behave more like humans, but existing dialogue models do not consider the time inf…

Cited by 0SourceScholar