Exploiting syntactic structure for language modeling

  • Authors:
  • Ciprian Chelba;Frederick Jelinek

  • Affiliations:
  • The Johns Hopkins University, Baltimore, MD;The Johns Hopkins University, Baltimore, MD

  • Venue:
  • COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 1
  • Year:
  • 1998

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Abstract

The paper presents a language model that develops syntactic structure and uses it to extract meaningful information from the word history, thus enabling the use of long distance dependencies. The model assigns probability to every joint sequence of words-binary-parse-structure with headword annotation and operates in a left-to-right manner --- therefore usable for automatic speech recognition. The model, its probabilistic parameterization, and a set of experiments meant to evaluate its predictive power are presented; an improvement over standard trigram modeling is achieved.