Prior Knowledge Integration for Neural Machine Translation using Posterior Regularization Jiacheng Zhang author Yang Liu author Huanbo Luan author Jingfang Xu author Maosong Sun author 2017-07 text Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Regina Barzilay editor Min-Yen Kan editor Association for Computational Linguistics Vancouver, Canada conference publication zhang-etal-2017-prior 10.18653/v1/P17-1139 https://aclanthology.org/P17-1139/ 2017-07 1514 1523