@inproceedings{tong-appelbaum-1993-machine,
    title = "Machine Learning Techniques for Document Filtering",
    author = "Tong, Richard M.  and
      Appelbaum, Lee A.",
    booktitle = "{H}uman {L}anguage {T}echnology: Proceedings of a Workshop Held at Plainsboro, New Jersey, March 21-24, 1993",
    year = "1993",
    url = "https://preview.aclanthology.org/fix-sig-urls/H93-1077/"
}