Extending Statistical Machine Translation with Discriminative and Trigger-Based Lexicon Models Arne Mauser author Saša Hasan author Hermann Ney 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 mauser-etal-2009-extending https://aclanthology.org/D09-1022/ 2009-08 210 218