The RWTH machine translation system for IWSLT 2007 Arne Mauser author David Vilar author Gregor Leusch author Yuqi Zhang author Hermann Ney author 2007-oct 15-16 text Proceedings of the Fourth International Workshop on Spoken Language Translation Trento, Italy conference publication mauser-etal-2007-rwth https://aclanthology.org/2007.iwslt-1.25/ 2007-oct 15-16