@InProceedings{riedel-clarke:2009:NAACLHLT09-Short,
  author    = {Riedel, Sebastian  and  Clarke, James},
  title     = {Revisiting Optimal Decoding for Machine Translation IBM Model 4},
  booktitle = {Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Short Papers},
  month     = {June},
  year      = {2009},
  address   = {Boulder, Colorado},
  publisher = {Association for Computational Linguistics},
  pages     = {5--8},
  url       = {http://www.aclweb.org/anthology/N/N09/N09-2002}
}