@inproceedings{nguyen-etal-2007-training,
    title = "Training Non-Parametric Features for Statistical Machine Translation",
    author = "Nguyen, Patrick  and
      Mahajan, Milind  and
      He, Xiaodong",
    editor = "Callison-Burch, Chris  and
      Koehn, Philipp  and
      Fordyce, Cameron Shaw  and
      Monz, Christof",
    booktitle = "Proceedings of the Second Workshop on Statistical Machine Translation",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W07-0710/",
    pages = "72--79"
}