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Dependency-based syntactic-semantic analysis with PropBank and NomBank

Publiceringsår: 2008
Språk: Engelska
Sidor: 183-187
Publikation/Tidskrift/Serie: Proceedings of the 12th Conference on Computational Natural Language Learning (CoNLL)
Dokumenttyp: Konferensbidrag
Förlag: Association for Computational Linguistics


This paper presents our contribution in the closed track of the 2008 CoNLL Shared Task. To tackle the problem of joint syntactic--semantic analysis, the system relies on a syntactic and a semantic subcomponent. The syntactic model is a bottom-up projective parser using pseudo-projective transformations, and the semantic model uses global

inference mechanisms on top of a pipeline of classifiers. The complete syntactic--semantic output is selected from a candidate pool generated by the subsystems.

The system achieved the top score in the closed challenge: a labeled syntactic accuracy of 89.32%, a labeled semantic F1 of 81.65, and a labeled macro F1 of 85.49.


  • Computer Science
  • semantic analysis
  • dependency parsing
  • Natural language processing


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