NRC Systems for Low Resource German-Upper Sorbian Machine Translation 2020: Transfer Learning with Lexical Modifications Rebecca Knowles author Samuel Larkin author Darlene Stewart author Patrick Littell 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 knowles-etal-2020-nrc-systems 10.18653/v1/2020.wmt-1.132 https://aclanthology.org/2020.wmt-1.132/ 2020-11 1112 1122