@inproceedings{li-etal-2010-negative,
    title = "Negative Training Data Can be Harmful to Text Classification",
    author = "Li, Xiao-Li  and
      Liu, Bing  and
      Ng, See-Kiong",
    editor = "Li, Hang  and
      M{\`a}rquez, Llu{\'i}s",
    booktitle = "Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2010",
    address = "Cambridge, MA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/D10-1022/",
    pages = "218--228"
}