Classification of discourse coherence relations: an exploratory study using multiple knowledge sources

  • Authors:
  • Ben Wellner;James Pustejovsky;Catherine Havasi;Anna Rumshisky;Roser Saurí

  • Affiliations:
  • Brandeis University, Waltham, MA and The MITRE Corporation, Bedford, MA;Brandeis University, Waltham, MA;Brandeis University, Waltham, MA;Brandeis University, Waltham, MA;Brandeis University, Waltham, MA

  • Venue:
  • SigDIAL '06 Proceedings of the 7th SIGdial Workshop on Discourse and Dialogue
  • Year:
  • 2009

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Abstract

In this paper we consider the problem of identifying and classifying discourse coherence relations. We report initial results over the recently released Discourse GraphBank (Wolf and Gibson, 2005). Our approach considers, and determines the contributions of, a variety of syntactic and lexico-semantic features. We achieve 81% accuracy on the task of discourse relation type classification and 70% accuracy on relation identification.