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Báo cáo khoa học: "Identifying Repair Targets in Action Control Dialogue"

This paper proposes a method for dealing with repairs in action control dialogue to resolve participants’ misunderstanding. The proposed method identifies the repair target based on common grounding rather than surface expressions. We extend Traum’s grounding act model by introducing degree of groundedness, and partial and mid-discourse unit grounding. This paper contributes to achieving more natural human-machine dialogue and instantaneous and flexible control of agents. | Identifying Repair Targets in Action Control Dialogue Kotaro Funakoshi and Takenobu Tokunaga Department of Computer Science Tokyo Institute of Technology 2-12-1 Oookayama Meguro Tokyo JAPAN koh take @cl.cs.titech.ac.jp Abstract This paper proposes a method for dealing with repairs in action control dialogue to resolve participants misunderstanding. The proposed method identifies the repair target based on common grounding rather than surface expressions. We extend Traum s grounding act model by introducing degree of groundedness and partial and mid-discourse unit grounding. This paper contributes to achieving more natural human-machine dialogue and instantaneous and flexible control of agents. 1 Introduction In natural language dialogue misunderstanding and its resolution is inevitable for the natural course of dialogue. The past research dealing with misunderstanding has been focused on the dialogue involving only utterances. In this paper we discuss misunderstanding problem in the dialogue involving participant s actions as well as utterances. In particular we focus on misunderstanding in action control dialogue. Action control dialogue is a kind of task-oriented dialogue in which a commander controls the actions1 of other agents called followers through verbal interaction. This paper deals with disagreement repair initiation utterances2 DRIUs which are used by commanders to resolve followers misunderstand-ings3 or to correct commanders previous erroneous utterances. These are so called third-turn 1We use the term action for the physical behavior of agents except for speaking. 2This denomination is lengthy and may be still controversial. However we think this is most descriptively adequate for the moment. 3Misunderstanding is a state where miscommunication has occurred but participants are not aware of this at least initially Hirst et al. 1994 . repair Schegloff 1992 . Unlike in ordinary dialogue consisting of only utterances in action control dialogue followers