Using predicate-argument structures for information extraction

  • Authors:
  • Mihai Surdeanu;Sanda Harabagiu;John Williams;Paul Aarseth

  • Affiliations:
  • Language Computer Corp., Richardson, Texas;Language Computer Corp., Richardson, Texas;Language Computer Corp., Richardson, Texas;Language Computer Corp., Richardson, Texas

  • Venue:
  • ACL '03 Proceedings of the 41st Annual Meeting on Association for Computational Linguistics - Volume 1
  • Year:
  • 2003

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Abstract

In this paper we present a novel, customizable IE paradigm that takes advantage of predicate-argument structures. We also introduce a new way of automatically identifying predicate argument structures, which is central to our IE paradigm. It is based on: (1) an extended set of features; and (2) inductive decision tree learning. The experimental results prove our claim that accurate predicate-argument structures enable high quality IE results.