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A New General Grammar Formalism for Parsing

  • Gabriel Infante-Lopez
  • Martín Ariel Domínguez
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7094)

Abstract

We introduce Probabilistic Constrained W-grammars (PCW-grammars), a two-level formalism capable of capturing grammatical frameworks used in three different state of the art grammar formalism, namely Bilexical Grammars, Markov Rules, and Stochastic Tree Substitution Grammars. For each of them we provide an embedding into PCW-grammars, which allows us to derive properties about their expressive power and consistency, and relations between the formalisms studied.

Keywords

Parsing PCW-grammars Bilexical Grammars 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Gabriel Infante-Lopez
    • 1
  • Martín Ariel Domínguez
    • 1
  1. 1.Grupo de Procesamiento de Lenguaje NaturalUniversidad Nacional de CórdobaArgentina

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