@inproceedings{gao-etal-2007-comparative,
    title = "A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing",
    author = "Gao, Jianfeng  and
      Andrew, Galen  and
      Johnson, Mark  and
      Toutanova, Kristina",
    editor = "Zaenen, Annie  and
      van den Bosch, Antal",
    booktitle = "Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics",
    month = jun,
    year = "2007",
    address = "Prague, Czech Republic",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P07-1104/",
    pages = "824--831"
}