@InProceedings{yamamoto-sumita:2007:EMNLP-CoNLL2007,
  author    = {Yamamoto, Hirofumi  and  Sumita, Eiichiro},
  title     = {Bilingual Cluster Based Models for Statistical Machine Translation},
  booktitle = {Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL)},
  pages     = {514--523},
  url       = {http://www.aclweb.org/anthology/D/D07/D07-1054}
}