Charting the depths of robust speech parsing

  • Authors:
  • W. Kasper;B. Kiefer;H. U. Krieger;C. J. Rupp;K. L. Worm

  • Affiliations:
  • German Research Center for Artificial Intelligence (DFKI);German Research Center for Artificial Intelligence (DFKI);German Research Center for Artificial Intelligence (DFKI);Universität des Saarlandes;Universität des Saarlandes

  • Venue:
  • ACL '99 Proceedings of the 37th annual meeting of the Association for Computational Linguistics on Computational Linguistics
  • Year:
  • 1999

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Abstract

We describe a novel method for coping with ungrammatical input based on the use of chart-like data structures, which permit anytime processing. Priority is given to deep syntactic analysis. Should this fail, the best partial analyses are selected, according to a shortest-paths algorithm, and assembled in a robust processing phase. The method has been applied in a speech translation project with large HPSG grammars.