The CMU statistical machine translation system Stephan Vogel author Ying Zhang author Fei Huang author Alicia Tribble author Ashish Venugopal author Bing Zhao author Alex Waibel author 2003-sep 23-27 text Proceedings of Machine Translation Summit IX: Papers New Orleans, USA conference publication vogel-etal-2003-cmu https://aclanthology.org/2003.mtsummit-papers.53/ 2003-sep 23-27