A computational model of incremental utterance production in task-oriented dialogues

  • Authors:
  • Kohji Dohsaka;Akira Shimazu

  • Affiliations:
  • NTT Basic Research Laboratories, Kanagawa, Japan;NTT Basic Research Laboratories, Kanagawa, Japan

  • Venue:
  • COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 1
  • Year:
  • 1996

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Abstract

This paper presents a computational model of incremental utterance production in task-oriented dialogues. This model incrementally produces utterances to propose the solution of a given problem, while simultanceously solving the problem in a stepwise manner. Even when the solution has been partially determined, this model starts utterances to satisfy time constraints where pauses in mid-utterance must not exceed a certain length. The results of an analysis of discourse structure in a dialogue corpus are presented and the fine structure of discourse that contributes to the incremental strategy of utterance production is described. This model utilizes such a discourse structure to incrementally produce utterances constituting a discourse. Pragmatic constraints are exploited to guarantee the relevance of discourses, which are evaluated by an utterance simulation experiment.