Investigating Backtranslation in Neural Machine Translation Alberto Poncelas author Dimitar Shterionov author Andy Way author Gideon Maillette de Buy Wenniger author Peyman Passban author 2018-05 text Proceedings of the 21st Annual Conference of the European Association for Machine Translation Juan Antonio Pérez-Ortiz editor Felipe Sánchez-Martínez editor Miquel Esplà-Gomis editor Maja Popović editor Celia Rico editor André Martins editor Joachim Van den Bogaert editor Mikel L Forcada editor Alicante, Spain conference publication poncelas-etal-2018-investigating https://aclanthology.org/2018.eamt-main.25/ 2018-05 269 278