Abstract
AbstractChinese texts are written without spaces between the words, which is problematic for Chinese-English statistical machine translation (SMT). The most widely used approach in existing SMT systems is apply a fixed segmentations produced by the off-the-shelf Chinese word segmentation (CWS) systems to train the standard translation model. Such approach is sub-optimal and unsuitable for SMT systems. We propose a joint model to integrate the multi-source bilingual information to optimize the segmentations in SMT. We also propose an unsupervised algorithm to improve the quality of the joint model iteratively. Experiments show that our method improve both segmentation and translation performance in different data environment.KeywordsChinese segmentationbilingual informationstatistical machine translation
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