Temporal ontology in natural language

  • Authors:
  • Marc Moens;Mark Steedman

  • Affiliations:
  • Univ. of Edinburgh;Univ. of Pennsylvania

  • Venue:
  • ACL '87 Proceedings of the 25th annual meeting on Association for Computational Linguistics
  • Year:
  • 1987

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Abstract

A semantics of linguistic categories like tense, aspect, and certain temporal adverbials, and a theory of their use in defining the temporal relations of events, both require a more complex structure on the domain underlying the meaning representations than is commonly assumed. The paper proposes an ontology based on such notions as causation and consequence, rather than on purely temporal primitives. We claim that any manageable logic or other formal system for natural language temporal descriptions will have to embody such an ontology, as will any usable temporal database for knowledge about events which is to be interrogated using natural language.