A principle-based hierarchical representation of LTAGs

  • Authors:
  • Marie-Hélène Candito

  • Affiliations:
  • Université Paris, Paris, France

  • Venue:
  • COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 1
  • Year:
  • 1996

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Abstract

Lexicalized Tree Adjoining Grammars have proved useful for NLP. However, numerous redundancy problems face LTAGs developers, as highlighted by Vijay-shanker and Schabes (92).We present a compact hierarchical organization of syntactic descriptions, that is linguistically motivated and a tool that automatically generates the tree families of an LTAG. The tool starts from the syntactic hierarchy and principles of well-formedness and carries out all the relevant combinations of linguistic phenomena.