An Earley-type recognizer for dependency grammar

  • Authors:
  • Vincenzo Lombardo;Leonardo Lesmo

  • Affiliations:
  • Universitá di Torino, Torino, Italy;Universitá di Torino, Torino, Italy

  • Venue:
  • COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 2
  • Year:
  • 1996

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Abstract

The paper is a first attempt to fill a gap in the dependency literature, by providing a mathematical result on the complexity of recognition with a dependency grammar. The paper describes an improved Earley-type recognizer with a complexity O(IGI2n3). The improvement is due to a precompilation of the dependency rules into parse tables, that determine the conditions of applicability of two primary actions, predict and scan, used in recognition.