Commitment-based Natural Language Interface System for Robots
Yasushi Nakauchi*, Takeshi Takahashi**, Piyawat Naphattalung*, Takashi Matsubara* and Eiichi Kashiwagi*
*Department of Computer Science, National Defense Academy, 1-10-20, Hashirimizu, Yokosuka, 239-8686 Japan
**Officer Candidate School, Japan Ground Self Defense Force, 2728 Koura-uchi-machi, Kurume, 839-0852 Japan
In this paper, we first discuss how the commitment in human-robot natural language conversation is important and the lack of the commitment leads to breakdowns in conversation. Then, we propose a human-robot conversation model, which takes the breakdown into consideration. We implemented a natural language interface system of a mobile robot, based on the proposed conversation model. Then, we conducted experiments with subjects and confirmed that the proposed interface system provides more natural conversation between human and robot with fewer breakdowns.
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