A Call for Prudent Choice of Subword Merge Operations in Neural Machine Translation Shuoyang Ding author Adithya Renduchintala author Kevin Duh author 2019-08 text Proceedings of Machine Translation Summit XVII: Research Track Mikel Forcada editor Andy Way editor Barry Haddow editor Rico Sennrich editor European Association for Machine Translation Dublin, Ireland conference publication ding-etal-2019-call https://aclanthology.org/W19-6620/ 2019-08 204 213