A Comparative Study on Reordering Constraints in Statistical Machine Translation Richard Zens author Hermann Ney author 2003-07 text Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Sapporo, Japan conference publication zens-ney-2003-comparative 10.3115/1075096.1075115 https://aclanthology.org/P03-1019/ 2003-07 144 151