Multi-Reward based Reinforcement Learning for Neural Machine Translation Shuo Sun author Hongxu Hou author Nier Wu author Ziyue Guo author Chaowei Zhang author 2020-10 text eng Proceedings of the 19th Chinese National Conference on Computational Linguistics Maosong Sun editor Sujian Li editor Yue Zhang editor Yang Liu editor Chinese Information Processing Society of China Haikou, China conference publication sun-etal-2020-multi https://aclanthology.org/2020.ccl-1.91/ 2020-10 984 993