The second release of the RASP system

  • Authors:
  • Ted Briscoe;John Carroll;Rebecca Watson

  • Affiliations:
  • University of Cambridge, Cambridge, UK;University of Sussex, Brighton, UK;University of Cambridge, Cambridge, UK

  • Venue:
  • COLING-ACL '06 Proceedings of the COLING/ACL on Interactive presentation sessions
  • Year:
  • 2006

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Abstract

We describe the new release of the RASP (robust accurate statistical parsing) system, designed for syntactic annotation of free text. The new version includes a revised and more semantically-motivated output representation, an enhanced grammar and part-of-speech tagger lexicon, and a more flexible and semi-supervised training method for the structural parse ranking model. We evaluate the released version on the WSJ using a relational evaluation scheme, and describe how the new release allows users to enhance performance using (in-domain) lexical information.