Learning to Remember Translation History with a Continuous Cache Zhaopeng Tu author Yang Liu author Shuming Shi author Tong Zhang author 2018 text journal article Transactions of the Association for Computational Linguistics continuing MIT Press Cambridge, MA periodical academic journal tu-etal-2018-learning 10.1162/tacl_a_00029 https://aclanthology.org/Q18-1029/ 2018 6 407 420