French-Vietnamese statistical machine translation combining with chunk alignments

Ngoc Tan Le, Ngoc Tien Le, Dien Dinh

Abstract


Nowadays, among Statistical Machine Translation (SMT) models, the phrase-based SMT is highly appreciated. However, this model is still lacked of linguistics knowledge at higher levels such as morphological, syntactic and semantic information. Consequently, the results of this approach are still limited in cases of long sentences. So, using morphological information from such as phrase chunking on the purpose of reducing the length of sentences to improve the translation quality is a promising approach, and hence to disambiguate the chunk alignment in the long sentences. In this paper, we present an approach of a chunk alignment applied to French-Vietnamese SMT. We have tested our model system with a French-Vietnamese bilingual corpus which consists of 10,000 pairs and assessed the metrics measures. The result of the model of French-Vietnamese SMT based on chunk alignment is considerable with the BLEU metric measure which increases almost 2% in comparison of the baseline model.


Keywords


Bilingual corpus, statistical machine translation, chunk alignment

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Journal of Computer Science and Cybernetics ISSN: 1813-9663

Published by Vietnam Academy of Science and Technology