Antecedent recovery: experiments with a trace tagger

  • Authors:
  • Péter Dienes;Amit Dubey

  • Affiliations:
  • Saarland University, Saarbrücken, Germany;Saarland University, Saarbrücken, Germany

  • Venue:
  • EMNLP '03 Proceedings of the 2003 conference on Empirical methods in natural language processing
  • Year:
  • 2003

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Abstract

This paper explores the problem of finding non-local dependencies. First, we isolate a set of features useful for this task. Second, we develop both a two-step approach which combines a trace tagger with a state-of-the-art lexicalized parser and a one-step approach which finds nonlocal dependencies while parsing. We find that the former outperforms the latter because it makes better use of the features we isolate.