Stochastic language generation using WIDL-expressions and its application in machine translation and summarization

  • Authors:
  • Radu Soricut;Daniel Marcu

  • Affiliations:
  • University of Southern California, Marina del Rey, CA;IUniversity of Southern California, Marina del Rey, CA

  • Venue:
  • ACL-44 Proceedings of the 21st International Conference on Computational Linguistics and the 44th annual meeting of the Association for Computational Linguistics
  • Year:
  • 2006

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Abstract

We propose WIDL-expressions as a flexible formalism that facilitates the integration of a generic sentence realization system within end-to-end language processing applications. WIDL-expressions represent compactly probability distributions over finite sets of candidate realizations, and have optimal algorithms for realization via interpolation with language model probability distributions. We show the effectiveness of a WIDL-based NLG system in two sentence realization tasks: automatic translation and headline generation.