Polarization and abstraction of grammatical formalisms as methods for lexical disambiguation

  • Authors:
  • Guillaume Bonfante;Bruno Guillaume;Guy Perrier

  • Affiliations:
  • LORIA - UMR, Vandœuvre lès, Nancy, Cedex;LORIA - UMR, Vandœuvre lès, Nancy, Cedex;LORIA - UMR, Vandœuvre lès, Nancy, Cedex

  • Venue:
  • COLING '04 Proceedings of the 20th international conference on Computational Linguistics
  • Year:
  • 2004

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Abstract

In the context of lexicalized grammars, we propose general methods for lexical disambiguation based on polarization and abstraction of grammatical formalisms. Polarization makes their resource sensitivity explicit and abstraction aims at keeping essentially the mechanism of neutralization between polarities. Parsing with the simplified grammar in the abstract formalism can be used efficiently for filtering lexical selections.