@inproceedings{Horr98, title = "Using an Expressive Description Logic: {FaCT} or Fiction?", author = "Ian Horrocks", year = "1998", annote = "AKA: Horrocks98c", booktitle = "Proc.\ of the 6th Int.\ Conf.\ on Principles of Knowledge Representation and Reasoning (KR'98)", pages = "636--647", url = "download/1998/kr98.pdf", }