Cross-lingual Projections between Languages from different Families

Mo Yu, Tiejun Zhao, Yalong Bai, Hao Tian and Dianhai Yu

The 51st Annual Meeting of the Association for Computational Linguistics - Short Papers (ACL Short Papers 2013)
Sofia, Bulgaria, August 4-9, 2013

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Abstract

Cross-lingual projection methods benefit from resource-rich languages to improve performances of NLP tasks in resources-scarce languages. However, these methods are confronted with the difficulty of syntactic differences between languages especially when the pair of languages varies a lot. To make the projection method well-generate to diverse languages pairs, we enhance the projection method based on word alignments by introducing target-language word representations as features and proposing a novel noise removing method based on these word representations. Experiments showed that our methods improve the performances greatly on projections between English and Chinese.

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