Paper: Discourse Relations And Defeasible Knowledge

ACL ID P91-1008
Title Discourse Relations And Defeasible Knowledge
Venue Annual Meeting of the Association of Computational Linguistics
Session Main Conference
Year 1991

This paper presents a formal account of the temporal interpretation of text. The distinct nat- ural interpretations of texts with similar syntax are explained in terms of defeasible rules charac- terising causal laws and Gricean-style pragmatic maxims. Intuitively compelling patterns of defea,- sible entailment that are supported by the logic in which the theory is expressed are shown to un- derly temporal interpretation. The Problem The temporal interpretation of text involves an account of how the events described are related to each other. These relations follow from the discourse relations that are central to temporal import. 1 Some of these are listed below, where the clause a appears in the text before fl: Narration(a,fl): The event described in fl is a consequence of (but not necess...