Dependency-based paraphrasing for recognizing textual entailment

Authors:
Erwin Marsi;Emiel Krahmer;Wauter Bosma
Affiliations:
Tilburg University, The Netherlands;Tilburg University, The Netherlands;University of Twente, The Netherlands
Venue:
RTE '07 Proceedings of the ACL-PASCAL Workshop on Textual Entailment and Paraphrasing
Year:
2007

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Abstract

This paper addresses syntax-based paraphrasing methods for Recognizing Textual Entailment (RTE). In particular, we describe a dependency-based paraphrasing algorithm, using the DIRT data set, and its application in the context of a straightforward RTE system based on aligning dependency trees. We find a small positive effect of dependency-based paraphrasing on both the RTE3 development and test sets, but the added value of this type of paraphrasing deserves further analysis.