@inproceedings{koo-collins-2005-hidden,
    title = "Hidden-Variable Models for Discriminative Reranking",
    author = "Koo, Terry  and
      Collins, Michael",
    editor = "Mooney, Raymond  and
      Brew, Chris  and
      Chien, Lee-Feng  and
      Kirchhoff, Katrin",
    booktitle = "Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2005",
    address = "Vancouver, British Columbia, Canada",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/H05-1064/",
    pages = "507--514"
}