Confirmations and joint action

  • Authors:
  • Philip R. Cohen;Hector J. Levesque

  • Affiliations:
  • Artificial Intelligence Center, SRI International, Menlo Park, CA;Dept. of Computer Science, University of Toronto

  • Venue:
  • IJCAI'91 Proceedings of the 12th international joint conference on Artificial intelligence - Volume 2
  • Year:
  • 1991

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Abstract

We argue that current plan-based theories of discourse do not by themselves explain prevalent phenomena in even simple task-oriented dialogues. The purpose of this paper is to show how one difhcult-to-explain feature of these dialogues, confirmations, follows from the joint or team nature of the underlying task. Specifically, we review the concept of a joint intention and we argue that the conversants in a task-oriented dialogue jointly intend to accomplish the task. From this basis, we derive the goals underlying the pervasive use of confirmations observed in a recent experiment. We conclude with a discussion on generalizing the analysis presented here to characterize dialogue itself as a joint activity.