Using a probabilistic model of discourse relations to investigate word order variation

  • Authors:
  • Cassandre Creswell

  • Affiliations:
  • Cymfony, Inc., Williamsville, NY and University of Pennsylvania, Philadelphia, PA

  • Venue:
  • DiscAnnotation '04 Proceedings of the 2004 ACL Workshop on Discourse Annotation
  • Year:
  • 2004

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Abstract

Like speakers of any natural language, speakers of English potentially have many different word orders in which to encode a single meaning. One key factor in speakers' use of certain non-canonical word orders in English is their ability to contribute information about syntactic and semantic discourse relations. Explicit annotation of discourse relations is a difficult and subjective task. In order to measure the correlations between different word orders and various discourse relations, this project utilizes a model in which discourse relations are approximated using a set of lower-level linguistic features, which are more easily and reliably annotated than discourse relations themselves. The featural model provides statistical evidence for the claim that speakers use non-canonicals to communicate information about discourse structure.