@inproceedings{cheung-penn-2012-unsupervised,
    title = "Unsupervised Detection of Downward-Entailing Operators By Maximizing Classification Certainty",
    author = "Cheung, Jackie Chi Kit  and
      Penn, Gerald",
    editor = "Daelemans, Walter",
    booktitle = "Proceedings of the 13th Conference of the {E}uropean Chapter of the Association for Computational Linguistics",
    month = apr,
    year = "2012",
    address = "Avignon, France",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/E12-1071/",
    pages = "696--705"
}