Accommodating context change

  • Authors:
  • Bonnie Lynn Webber;Breck Baldwin

  • Affiliations:
  • University of Pennsylvania, Philadelphia, PA;University of Pennsylvania, Philadelphia, PA

  • Venue:
  • ACL '92 Proceedings of the 30th annual meeting on Association for Computational Linguistics
  • Year:
  • 1992

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Abstract

Two independent mechanisms of context change have been discussed separately in the literature - context change by entity introduction and context change by event simulation. Here we discuss their integration. The effectiveness of the integration depends in part on a representation of events that captures people's uncertainty about their outcome - in particular, people's incomplete expectations about the changes effected by events. We propose such a representation and a process of accommodation that makes use of it, and discuss our initial implementation of these ideas.