@inproceedings{eck-etal-2007-translation,
    title = "Translation Model Pruning via Usage Statistics for Statistical Machine Translation",
    author = "Eck, Matthias  and
      Vogel, Stephan  and
      Waibel, Alex",
    editor = "Sidner, Candace  and
      Schultz, Tanja  and
      Stone, Matthew  and
      Zhai, ChengXiang",
    booktitle = "Human Language Technologies 2007: The Conference of the North {A}merican Chapter of the Association for Computational Linguistics; Companion Volume, Short Papers",
    month = apr,
    year = "2007",
    address = "Rochester, New York",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/N07-2006/",
    pages = "21--24"
}