@inproceedings{joshua40packingproandparaphrases,
  title = {Joshua 4.0: Packing, PRO, and Paraphrases},
  author = {Juri Ganitkevitch and Yuan Cao and Jonathan Weese and Matt Post and Chris Callison-Burch},
  year = {2012},
  booktitle = {WS 2012 6},
  url = {https://aclanthology.org/W12-3134},
}