A combined memory-based semantic role labeler of English

  • Authors:
  • Roser Morante;Walter Daelemans;Vincent Van Asch

  • Affiliations:
  • University of Antwerp, Antwerpen, Belgium;University of Antwerp, Antwerpen, Belgium;University of Antwerp, Antwerpen, Belgium

  • Venue:
  • CoNLL '08 Proceedings of the Twelfth Conference on Computational Natural Language Learning
  • Year:
  • 2008

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Abstract

We describe the system submitted to the closed challenge of the CoNLL-2008 shared task on joint parsing of syntactic and semantic dependencies. Syntactic dependencies are processed with the Malt-Parser 0.4. Semantic dependencies are processed with a combination of memory-based classifiers. The system achieves 78.43 labeled macro F1 for the complete problem, 86.07 labeled attachment score for syntactic dependencies, and 70.51 labeled F1 for semantic dependencies.