@InProceedings{zbib-EtAl:2010:WMT,
  author    = {Zbib, Rabih  and  Matsoukas, Spyros  and  Schwartz, Richard  and  Makhoul, John},
  title     = {Decision Trees for Lexical Smoothing in Statistical Machine Translation},
  booktitle = {Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR},
  month     = {July},
  year      = {2010},
  address   = {Uppsala, Sweden},
  publisher = {Association for Computational Linguistics},
  pages     = {428--437},
  url       = {http://www.aclweb.org/anthology/W10-1763}
}