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Pseudo-projective dependency parsing

Published: 25 June 2005 Publication History

Abstract

In order to realize the full potential of dependency-based syntactic parsing, it is desirable to allow non-projective dependency structures. We show how a data-driven deterministic dependency parser, in itself restricted to projective structures, can be combined with graph transformation techniques to produce non-projective structures. Experiments using data from the Prague Dependency Treebank show that the combined system can handle non-projective constructions with a precision sufficient to yield a significant improvement in overall parsing accuracy. This leads to the best reported performance for robust non-projective parsing of Czech.

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cover image DL Hosted proceedings
ACL '05: Proceedings of the 43rd Annual Meeting on Association for Computational Linguistics
June 2005
657 pages
  • General Chair:
  • Kevin Knight

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Association for Computational Linguistics

United States

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Published: 25 June 2005

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ACL '05 Paper Acceptance Rate 77 of 423 submissions, 18%;
Overall Acceptance Rate 85 of 443 submissions, 19%

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