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Parse correction with specialized models for difficult attachment types

Abstract : This paper develops a framework for syntactic dependency parse correction. Dependencies in an input parse tree are revised by selecting, for a given dependent, the best governor from within a small set of candidates. We use a discriminative linear ranking model to select the best governor from a group of candidates for a dependent, and our model includes a rich feature set that encodes syntactic structure in the input parse tree. The parse correction framework is parser-agnostic, and can correct attachments using either a generic model or specialized models tailored to difficult attachment types like coordination and pp-attachment. Our experiments show that parse correction, combining a generic model with specialized models for difficult attachment types, can successfully improve the quality of predicted parse trees output by several representative state-of-the-art dependency parsers for French.
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https://hal.archives-ouvertes.fr/hal-00602083
Contributor : Enrique Henestroza Anguiano <>
Submitted on : Tuesday, June 21, 2011 - 2:45:55 PM
Last modification on : Friday, March 27, 2020 - 3:13:01 AM
Document(s) archivé(s) le : Thursday, September 22, 2011 - 2:25:26 AM

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  • HAL Id : hal-00602083, version 1

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Enrique Henestroza Anguiano, Marie Candito. Parse correction with specialized models for difficult attachment types. EMNLP 2011 - The 2011 Conference on Empirical Methods in Natural Language Processing, Jul 2011, Edinburgh, United Kingdom. To appear. ⟨hal-00602083⟩

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