@inproceedings{voorhees-1993-exploiting,
    title = "Exploiting Concept Spaces for Text Retrieval",
    author = "Voorhees, Ellen M.",
    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/switch-docopt-to-docopt-ng/H93-1105/"
}