Extending the Hierarchical Phrase Based Model with Maximum Entropy Based BTG Zhongjun He author Yao Meng author Hao Yu author 2010-oct 31-nov 4 text Proceedings of the 9th Conference of the Association for Machine Translation in the Americas: Research Papers Association for Machine Translation in the Americas Denver, Colorado, USA conference publication he-etal-2010-extending https://aclanthology.org/2010.amta-papers.25/ 2010-oct 31-nov 4