@inproceedings{fei-liu-2016-breaking,
    title = "Breaking the Closed World Assumption in Text Classification",
    author = "Fei, Geli  and
      Liu, Bing",
    editor = "Knight, Kevin  and
      Nenkova, Ani  and
      Rambow, Owen",
    booktitle = "Proceedings of the 2016 Conference of the North {A}merican Chapter of the Association for Computational Linguistics: Human Language Technologies",
    month = jun,
    year = "2016",
    address = "San Diego, California",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-emnlp/N16-1061/",
    doi = "10.18653/v1/N16-1061",
    pages = "506--514"
}