Better Synchronous Binarization for Machine Translation Tong Xiao author Mu Li author Dongdong Zhang author Jingbo Zhu author Ming Zhou author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication xiao-etal-2009-better https://aclanthology.org/D09-1038/ 2009-08 362 370