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14

EMNLP
2008

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Syntactic Constraints on Paraphrases Extracted from Parallel Corpora

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Syntactic Constraints on Paraphrases Extracted from Parallel Corpora

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We improve the quality of paraphrases extracted from parallel corpora by requiring that phrases and their paraphrases be the same syntactic type. This is achieved by parsing the English side of a parallel corpus and altering the phrase extraction algorithm to extract phrase labels alongside bilingual phrase pairs. In order to retain broad coverage of non-constituent phrases, complex syntactic labels are introduced. A manual evaluation indicates a 19% absolute improvement in paraphrase quality over the baseline method.

Chris Callison-Burch

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Bilingual Phrase Pairs | EMNLP 2008 | Natural Language Processing | Paraphrase | Phrase Extraction Algorithm |

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Added	29 Oct 2010
Updated	29 Oct 2010
Type	Conference
Year	2008
Where	EMNLP
Authors	Chris Callison-Burch

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