A Parsing Algorithm for Weighted Grammars and Substring Recognition

  • F. Casacuberta
  • E. Vidal
Conference paper
Part of the NATO ASI Series book series (volume 45)

Abstract

In Syntactic Pattern Recognition, the weighted grammars are very useful in the representation of the inexact nature of many problems. Basically, such grammars are defined as a conventional grammar and a function from the set of rules into some weighting space. Some algorithms are used for particular grammars and particular spaces. In this paper, a general parsing algorithm for weighted context-free grammars is presented. This algorithm parses a given string and supplies the corresponding weight. An extension of this algorithm whose main goal is to achieve, in parallel with the parsing, a segmentation of the input string into substrings which are recognized by the weighted grammars used is also presented.

Keywords

Expense Acoustics Celona 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • F. Casacuberta
    • 1
  • E. Vidal
    • 1
  1. 1.Dept. Sistemas Informaticos y ComputacionUniv. Politecnica de ValenciaValenciaSpain

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