@InProceedings{liu-EtAl:2009:EMNLP3,
  author    = {Liu, Yang  and  Xia, Tian  and  Xiao, Xinyan  and  Liu, Qun},
  title     = {Weighted Alignment Matrices for Statistical Machine Translation},
  booktitle = {Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing},
  month     = {August},
  year      = {2009},
  address   = {Singapore},
  publisher = {Association for Computational Linguistics},
  pages     = {1017--1026},
  url       = {http://www.aclweb.org/anthology/D/D09/D09-1106}
}