The RWTH System Combination System for WMT 2011 Gregor Leusch author Markus Freitag author Hermann Ney author 2011-07 text Proceedings of the Sixth Workshop on Statistical Machine Translation Chris Callison-Burch editor Philipp Koehn editor Christof Monz editor Omar F Zaidan editor Association for Computational Linguistics Edinburgh, Scotland conference publication leusch-etal-2011-rwth https://aclanthology.org/W11-2118/ 2011-07 152 158