A uniform method of grammar extraction and its applications

  • Authors:
  • Fei Xia;Martha Palmer;Aravind Joshi

  • Affiliations:
  • University of Pennsylvania, Philadelphia PA;University of Pennsylvania, Philadelphia PA;University of Pennsylvania, Philadelphia PA

  • Venue:
  • EMNLP '00 Proceedings of the 2000 Joint SIGDAT conference on Empirical methods in natural language processing and very large corpora: held in conjunction with the 38th Annual Meeting of the Association for Computational Linguistics - Volume 13
  • Year:
  • 2000

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Abstract

Grammars are core elements of many NLP applications. In this paper, we present a system that automatically extracts lexicalized grammars from annotated corpora. The data produced by this system have been used in several tasks, such as training NLP tools (such as Supertaggers) and estimating the coverage of hand-crafted grammars. We report experimental results on two of those tasks and compare our approaches with related work.