Human-Paraphrased References Improve Neural Machine Translation Markus Freitag author George Foster author David Grangier author Colin Cherry author 2020-11 text Proceedings of the Fifth Conference on Machine Translation Loïc Barrault editor Ondřej Bojar editor Fethi Bougares editor Rajen Chatterjee editor Marta R Costa-jussà editor Christian Federmann editor Mark Fishel editor Alexander Fraser editor Yvette Graham editor Paco Guzman editor Barry Haddow editor Matthias Huck editor Antonio Jimeno Yepes editor Philipp Koehn editor André Martins editor Makoto Morishita editor Christof Monz editor Masaaki Nagata editor Toshiaki Nakazawa editor Matteo Negri editor Association for Computational Linguistics Online conference publication freitag-etal-2020-human 10.18653/v1/2020.wmt-1.140 https://aclanthology.org/2020.wmt-1.140/ 2020-11 1183 1192