Unsupervised Discriminative Induction of Synchronous Grammar for Machine Translation Xinyan Xiao author Deyi Xiong author Yang Liu author Qun Liu author Shouxun Lin author 2012-12 text Proceedings of COLING 2012 Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication xiao-etal-2012-unsupervised https://aclanthology.org/C12-1176/ 2012-12 2883 2898