Deep-reasoning-centred dialogue

  • Authors:
  • Debora Field;Allan Ramsay

  • Affiliations:
  • University of Liverpool;University of Manchester

  • Venue:
  • ENLG '07 Proceedings of the Eleventh European Workshop on Natural Language Generation
  • Year:
  • 2007

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Abstract

This paper discusses an implemented dialogue system which generates the meanings of utterances by taking into account: the surface mood of the user's last utterance; the meanings of all the user's utterances from the current discourse; the system's expert knowledge; and the system's beliefs about the current situation arising from the discourse (including its beliefs about the user and her beliefs, and its beliefs about what is 'common knowledge'). The system formulates the content of its responses by employing an epistemic theorem prover to do deep reasoning. During the reasoning process, it remembers the proof tree it constructs, and from this derives the meaning of an explanatory response.