Combining PBSMT and NMT Back-translated Data for Efficient NMT Alberto Poncelas author Maja Popović author Dimitar Shterionov author Gideon Maillette de Buy Wenniger author Andy Way author 2019-09 text Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019) Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd. Varna, Bulgaria conference publication poncelas-etal-2019-combining 10.26615/978-954-452-056-4_107 https://aclanthology.org/R19-1107/ 2019-09 922 931