Relating tabular parsing algorithms for LIG and TAG

  • Authors:
  • Miguel A. Alonso;Éric de la Clergerie;Víctor J. Díaz;Manuel Vilares

  • Affiliations:
  • Departamento de Computación, Facultad de Informática, Universidad de La Coruña, La Coruña, Spain;INRIA, Domaine de Voluceau, Rocquencourt, Le Chesnay, France;Departamento de Lenguajes y Sistemas Informáticos, E.T.S. de Ingeniería Informática, Universidad de Sevilla, Sevilla, Spain;Departamento de Informática, Escuela Superior de Ingeniería Informática, Universidad de Vigo, Orense, Spain

  • Venue:
  • New developments in parsing technology
  • Year:
  • 2004

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Abstract

Tree Adjoining Grammars (TAG) and Linear Indexed Grammars (LIG) are extensions of Context Free Grammars that generate the class of Tree Adjoining Languages. Taking advantage of this property, and providing a method for translating a TAG into a LIG, we define several parsing algorithms for TAG on the basis of their equivalent LIG parsers. We also explore why some practical optimizations for TAG parsing cannot be applied to the case of LIG.