A Contextual Language Model to Improve Machine Translation of Pronouns by Re-ranking Translation Hypotheses Ngoc Quang Luong author Andrei Popescu-Belis author 2016 text Proceedings of the 19th Annual Conference of the European Association for Machine Translation conference publication luong-popescu-belis-2016-contextual https://aclanthology.org/W16-3416/ 2016 292 304