A syntactic transformation model for statistical machine translation

  • Authors:
  • Thai Phuong Nguyen;Akira Shimazu

  • Affiliations:
  • School of Information Science, Japan Advanced Institute of Science and Technology;School of Information Science, Japan Advanced Institute of Science and Technology

  • Venue:
  • ICCPOL'06 Proceedings of the 21st international conference on Computer Processing of Oriental Languages: beyond the orient: the research challenges ahead
  • Year:
  • 2006

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Abstract

We present a phrase-based SMT approach in which the word-order problem is solved using syntactic transformation in the preprocessing phase (There is no reordering in the decoding phase.) We describe a syntactic transformation model based on the probabilistic context-free grammar. This model is trained by using bilingual corpus and a broad coverage parser of the source language. This phrase-based SMT approach is applicable to language pairs in which the target language is poor in resources. We considered translation from English to Vietnamese and from English to French. Our experiments showed significant BLEU-score improvements in comparison with Pharaoh, a state-of-the-art phrase-based SMT system.