Unsupervised Vocabulary Selection for Domain-Independent Simultaneous Lecture Translation Paul Maergner author Ian Lane author Alex Waibel author 2011-sep 19-23 text Proceedings of Machine Translation Summit XIII: Papers Xiamen, China conference publication maergner-etal-2011-unsupervised-domain https://aclanthology.org/2011.mtsummit-papers.8/ 2011-sep 19-23