@inproceedings{zens-etal-2004-reordering,
    title = "Reordering Constraints for Phrase-Based Statistical Machine Translation",
    author = "Zens, Richard  and
      Ney, Hermann  and
      Watanabe, Taro  and
      Sumita, Eiichiro",
    booktitle = "{COLING} 2004: Proceedings of the 20th International Conference on Computational Linguistics",
    month = "aug 23–aug 27",
    year = "2004",
    address = "Geneva, Switzerland",
    publisher = "COLING",
    url = "https://preview.aclanthology.org/ingest-emnlp/C04-1030/",
    pages = "205--211"
}