CCG Supertags in Factored Statistical Machine Translation

Alexandra Birch, Miles Osborne, Philipp Koehn

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Combinatorial Categorial Grammar (CCG) supertags present phrase-based machine translation with an opportunity to access rich syntactic information at a word level. The challenge is incorporating this information into the translation process. Factored translation models allow the inclusion of supertags as a factor in the source or target language. We show that this results in an improvement in the quality of translation and that the value of syntactic supertags in flat structured phrase-based models is largely due to better local reorderings.
Original languageEnglish
Title of host publicationProceedings of the Second Workshop on Statistical Machine Translation
Place of PublicationStroudsburg, PA, USA
PublisherAssociation for Computational Linguistics
Pages9-16
Number of pages8
Publication statusPublished - 2007

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