@InProceedings{federmann-EtAl:2009:WMT,
  author    = {Federmann, Christian  and  Theison, Silke  and  Eisele, Andreas  and  Uszkoreit, Hans  and  Chen, Yu  and  Jellinghaus, Michael  and  Hunsicker, Sabine},
  title     = {Translation Combination using Factored Word Substitution},
  booktitle = {Proceedings of the Fourth Workshop on Statistical Machine Translation},
  month     = {March},
  year      = {2009},
  address   = {Athens, Greece},
  publisher = {Association for Computational Linguistics},
  pages     = {70--74},
  url       = {http://www.aclweb.org/anthology/W09-0411}
}