@inproceedings{crowther-1989-common,
    title = "A Common Facts Data Base",
    author = "Crowther, William",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Philadelphia, {P}ennsylvania, {F}ebruary 21-23, 1989",
    year = "1989",
    url = "https://aclanthology.org/H89-1009/"
}