Development and evaluation of a broad-coverage probabilistic grammar of English-language computer manuals

  • Authors:
  • Ezra Black;John Lafferty;Salim Roukos

  • Affiliations:
  • IBM Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Thomas J. Watson Research Center, Yorktown Heights, New York;IBM Thomas J. Watson Research Center, Yorktown Heights, New York

  • Venue:
  • ACL '92 Proceedings of the 30th annual meeting on Association for Computational Linguistics
  • Year:
  • 1992

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Abstract

We present an approach to grammar development where the task is decomposed into two separate subtasks. The first tasks linguistic, with the goal of producing a set of rules that have a large coverage (in the sense that the correct parse is among the proposed parses) on a blind test set of sentences. The second task is statistical, with the goal of developing a model of the grammar which assigns maximum probability for the correct parse. We give parsing results on text from computer manuals.