@InProceedings{ganitkevitch-EtAl:2012:WMT,
  author    = {Ganitkevitch, Juri  and  Cao, Yuan  and  Weese, Jonathan  and  Post, Matt  and  Callison-Burch, Chris},
  title     = {Joshua 4.0: Packing, PRO, and Paraphrases},
  booktitle = {Proceedings of the Seventh Workshop on Statistical Machine Translation},
  month     = {June},
  year      = {2012},
  address   = {Montr{\'e}al, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {283--291},
  url       = {http://www.aclweb.org/anthology/W12-3134}
}