Exact inference for generative probabilistic non-projective dependency parsing

  • Authors:
  • Shay B. Cohen;Carlos Gómez-Rodríguez;Giorgio Satta

  • Affiliations:
  • Carnegie Mellon University;Universidade da Coruña, Spain;University of Padua, Italy

  • Venue:
  • EMNLP '11 Proceedings of the Conference on Empirical Methods in Natural Language Processing
  • Year:
  • 2011

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Abstract

We describe a generative model for non-projective dependency parsing based on a simplified version of a transition system that has recently appeared in the literature. We then develop a dynamic programming parsing algorithm for our model, and derive an inside-outside algorithm that can be used for unsupervised learning of non-projective dependency trees.