A probabilistic corpus-driven model for lexical-functional analysis

  • Authors:
  • Rens Bod;Ronald Kaplan

  • Affiliations:
  • University of Amsterdam, Amsterdam;Xerox Palo Alto Research Center, Palo Alto, California

  • Venue:
  • COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 1
  • Year:
  • 1998

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Abstract

We develop a Data-Oriented Parsing (DOP) model based on the syntactic representations of Lexical-Functional Grammar (LFG). We start by summarizing the original DOP model for tree representations and then show how it can be extended with corresponding functional structures. The resulting LFG-DOP model triggers a new, corpus-based notion of grammaticality, and its probability models exhibit interesting behavior with respect to specificity and the interpretation of ill-formed strings.