User-adaptive coordination of agent communicative behavior in spoken dialogue

Authors:
Kohji Dohsaka;Atsushi Kanemoto;Ryuichiro Higashinaka;Yasuhiro Minami;Eisaku Maeda
Affiliations:
NTT Corporation, Hikaridai, Seika-cho, Kyoto, Japan;Osaka University, Yamadaoka, Suita, Osaka, Japan;NTT Corporation, Hikarinooka, Yokosuka, Kanagawa, Japan;NTT Corporation, Hikaridai, Seika-cho, Kyoto, Japan;NTT Corporation, Hikaridai, Seika-cho, Kyoto, Japan
Venue:
SIGDIAL '10 Proceedings of the 11th Annual Meeting of the Special Interest Group on Discourse and Dialogue
Year:
2010

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Abstract

In this paper, which addresses smooth spoken interaction between human users and conversational agents, we present an experimental study that evaluates a method for user-adaptive coordination of agent communicative behavior. Our method adapts the pause duration preceding agent utterances and the agent gaze duration to reduce the discomfort perceived by individual users during interaction. The experimental results showed a statistically significant tendency: the duration of the agent pause and the gaze converged during interaction with the method. The method also significantly improved the perceived relevance of the agent communicative behavior.