Combining lexicon-driven parsing and phrase-structure-based parsing

  • Authors:
  • Musuru Tomlta

  • Affiliations:
  • Carnegie-Mellon University, Pittsburgh, PA

  • Venue:
  • COLING '88 Proceedings of the 12th conference on Computational linguistics - Volume 2
  • Year:
  • 1988

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Abstract

Lexicon-driven formalisms (e.g. Categorial Grammar; HPSG and GB Grammar), which do not have explicit phrase structure rules, are suitable for higher level syntax but not for low level language-specific constructions such as dates (July 15th, 15-JUL-1987, etc), which seem to require the power of phrase structure rules. This paper presents an implementation method to combine lexicon-driven parsing and phrase structure parsing, with a special means called graph-structured stack.