Multi-Strategy Approaches to Active Learning for Statistical Machine Translation Vamshi Ambati author Stephan Vogel author Jaime Carbonell author 2011-sep 19-23 text Proceedings of Machine Translation Summit XIII: Papers Xiamen, China conference publication ambati-etal-2011-multi https://aclanthology.org/2011.mtsummit-papers.12/ 2011-sep 19-23