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Shiki Sato

4 accepted papers

2025

Proactive User Information Acquisition via Chats on User-Favored Topics

EMNLP 2025

Chat-oriented dialogue systems that deliver tangible benefits, such as sharing news or frailty prevention for seniors, require proactive acquisition of specific user information via chats on user-favored topics. This study proposes the Proactive Information Acquisition (PIA) task to support the deve

2024

A Large Collection of Model-generated Contradictory Responses for Consistency-aware Dialogue Systems

ACL 2024findings

Mitigating the generation of contradictory responses poses a substantial challenge in dialogue response generation. The quality and quantity of available contradictory response data play a vital role in suppressing these contradictions, offering two significant benefits. First, having access to larg…

2022

Target-Guided Open-Domain Conversation Planning

COLING 2022main

Prior studies addressing target-oriented conversational tasks lack a crucial notion that has been intensively studied in the context of goal-oriented artificial intelligence agents, namely, planning. In this study, we propose the task of Target-Guided Open-Domain Conversation Planning (TGCP) task to…