Constraint based integration of deep and shallow parsing techniques

Authors:
Michael Daum;Kilian A. Foth;Wolfgang Menzel
Affiliations:
University of Hamburg;University of Hamburg;University of Hamburg
Venue:
EACL '03 Proceedings of the tenth conference on European chapter of the Association for Computational Linguistics - Volume 1
Year:
2003

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Abstract

To investigate the contributions of taggers or chunkers to the performance of a deep syntactic parser, Weighted Constraint Dependency Grammars have been extended to also take into consideration information from external sources. Using a weak information fusion scheme based on constraint optimization techniques, a parsing accuracy has been achieved which is comparable to other (stochastic) parsers.