Improving a Lexicalized Hierarchical Reordering Model Using Maximum Entropy Vinh Van Nguyen author Akira Shimazu author Minh Le Nguyen author Thai Phuong Nguyen author 2009-aug 26-30 text Proceedings of Machine Translation Summit XII: Papers Ottawa, Canada conference publication nguyen-etal-2009-improving https://aclanthology.org/2009.mtsummit-papers.10/ 2009-aug 26-30