@inproceedings{ijcai2001p27,
  title     = {Ontology Reasoning in the SHOQ(D) Description Logic},
  author    = {Horrocks, Ian and Sattler, Ulrike},
  booktitle = {Proceedings of the Seventeenth International Joint Conference on
               Artificial Intelligence, {IJCAI-01}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {199--203},
  year      = {2001},
  url       = {https://ijcai.org/proceedings/2001/27},
}