METHOD AND APPARATUS FOR BILINGUAL WORD ALIGNMENT, METHOD AND APPARATUS FOR TRAINING BILINGUAL WORD ALIGNMENT MODEL

摘要

PPROBLEM TO BE SOLVED: To provide a method and apparatus for bilingual word alignment and a method and apparatus for training a bilingual word alignment model. PSOLUTION: The method for bilingual word alignment comprises: training the bilingual word alignment model using a word-aligned labeled bilingual corpus; word-aligning a plurality of bilingual sentence pairs in unlabeled bilingual corpus using the bilingual word alignment model; determining whether the word alignment of each of the plurality of bilingual sentence pairs is correct; and if it is correct, adding the bilingual sentence pair into the labeled bilingual corpus and removing the bilingual sentence pair from the unlabeled bilingual corpus; retraining the bilingual word alignment model using the expanded labeled bilingual corpus; and re-word-aligning the remaining bilingual sentence pairs in the unlabeled bilingual corpus using the retrained bilingual word alignment model. PCOPYRIGHT: (C)2007,JPO&INPIT