Deep syntactic processing by combining shallow methods

  • Authors:
  • Péter Dienes;Amit Dubey

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

  • Venue:
  • ACL '03 Proceedings of the 41st Annual Meeting on Association for Computational Linguistics - Volume 1
  • Year:
  • 2003

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Abstract

We present a novel approach for finding discontinuities that outperforms previously published results on this task. Rather than using a deeper grammar formalism, our system combines a simple unlexicalized PCFG parser with a shallow pre-processor. This pre-processor, which we call a trace tagger, does surprisingly well on detecting where discontinuities can occur without using phase structure information.