Learning better rule extraction with translation span alignment

  • Authors:
  • Jingbo Zhu;Tong Xiao;Chunliang Zhang

  • Affiliations:
  • Northeastern University, Shenyang, China;Northeastern University, Shenyang, China;Northeastern University, Shenyang, China

  • Venue:
  • ACL '12 Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics: Short Papers - Volume 2
  • Year:
  • 2012

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Abstract

This paper presents an unsupervised approach to learning translation span alignments from parallel data that improves syntactic rule extraction by deleting spurious word alignment links and adding new valuable links based on bilingual translation span correspondences. Experiments on Chinese-English translation demonstrate improvements over standard methods for tree-to-string and tree-to-tree translation.