The RWTH Aachen University English-German and German-English Unsupervised Neural Machine Translation Systems for WMT 2018 Miguel Graça author Yunsu Kim author Julian Schamper author Jiahui Geng author Hermann Ney author 2018-10 text Proceedings of the Third Conference on Machine Translation: Shared Task Papers Ondřej Bojar editor Rajen Chatterjee editor Christian Federmann editor Mark Fishel editor Yvette Graham editor Barry Haddow editor Matthias Huck editor Antonio Jimeno Yepes editor Philipp Koehn editor Christof Monz editor Matteo Negri editor Aurélie Névéol editor Mariana Neves editor Matt Post editor Lucia Specia editor Marco Turchi editor Karin Verspoor editor Association for Computational Linguistics Belgium, Brussels conference publication graca-etal-2018-rwth 10.18653/v1/W18-6409 https://aclanthology.org/W18-6409/ 2018-10 377 385