Classifying functional relations in factotum via WordNet hypernym associations

  • Authors:
  • Tom O'Hara;Janyce Wiebe

  • Affiliations:
  • Department of Computer Science, New Mexico State University, Las Cruces, NM;Department of Computer Science, University of Pittsburgh, Pittsburgh, PA

  • Venue:
  • CICLing'03 Proceedings of the 4th international conference on Computational linguistics and intelligent text processing
  • Year:
  • 2003

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Abstract

This paper describes how to automatically classify the functional relations from the FACTOTUM knowledge base via a statistical machine learning algorithm. This incorporates a method for inferring prepositional relation indicators from corpus data. It also uses lexical collocations (i.e., word associations) and class-based collocations based on the WordNet hypernym relations (i.e., is-subset-of). The result shows substantial improvement over a baseline approach.