PORT: a Precision-Order-Recall MT Evaluation Metric for Tuning Boxing Chen author Roland Kuhn author Samuel Larkin author 2012-07 text Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Haizhou Li editor Chin-Yew Lin editor Miles Osborne editor Gary Geunbae Lee editor Jong C Park editor Association for Computational Linguistics Jeju Island, Korea conference publication chen-etal-2012-port https://aclanthology.org/P12-1098/ 2012-07 930 939