Decision tree models applied to the labeling of text with parts-of-speech

  • Authors:
  • Ezra Black;Fred Jelinek;John Lafferty;Robert Mercer;Salim Roukos

  • Affiliations:
  • IBM Thomas J. Watson Research Center;IBM Thomas J. Watson Research Center;IBM Thomas J. Watson Research Center;IBM Thomas J. Watson Research Center;IBM Thomas J. Watson Research Center

  • Venue:
  • HLT '91 Proceedings of the workshop on Speech and Natural Language
  • Year:
  • 1992

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Abstract

We describe work which uses decision trees to estimate marginal probabilities in a maximum entropy model for predicting the part-of-speech of a word given the context in which it appears. Two experiments are presented which exhibit improvements over the usual hidden Markov model approach.