@InProceedings{chen-kuhn-larkin:2012:ACL2012,
  author    = {Chen, Boxing  and  Kuhn, Roland  and  Larkin, Samuel},
  title     = {PORT: a Precision-Order-Recall MT Evaluation Metric for Tuning},
  booktitle = {Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)},
  month     = {July},
  year      = {2012},
  address   = {Jeju Island, Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {930--939},
  url       = {http://www.aclweb.org/anthology/P12-1098}
}