Turning the pipeline into a loop: iterated unsupervised dependency parsing and PoS induction

  • Authors:
  • Christos Christodoulopoulos;Sharon Goldwater;Mark Steedman

  • Affiliations:
  • University of Edinburgh;University of Edinburgh;University of Edinburgh

  • Venue:
  • WILS '12 Proceedings of the NAACL-HLT Workshop on the Induction of Linguistic Structure
  • Year:
  • 2012

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Abstract

Most unsupervised dependency systems rely on gold-standard Part-of-Speech (PoS) tags, either directly, using the PoS tags instead of words, or indirectly in the back-off mechanism of fully lexicalized models (Headden et al., 2009).