The RWTH Aachen machine translation systems for IWSLT 2014 Joern Wuebker author Stephan Peitz author Andreas Guta author Hermann Ney author 2014-dec 4-5 text Proceedings of the 11th International Workshop on Spoken Language Translation: Evaluation Campaign Marcello Federico editor Sebastian Stüker editor François Yvon editor Lake Tahoe, California conference publication wuebker-etal-2014-rwth https://aclanthology.org/2014.iwslt-evaluation.22/ 2014-dec 4-5 150 154