@inproceedings{GlHS06a,
  title = "Conjunctive Query Answering for Description Logics with Transitive Roles",
  author = "Birte Glimm and Ian Horrocks and Ulrike Sattler",
  year = "2006",
  booktitle = "Proceedings of the 2006 Description Logic Workshop (DL 2006)",
  publisher = "CEUR Workshop Proceedings",
}