@inproceedings{GlHS06a,
  title = "Conjunctive Query Answering for Description Logics with Transitive Roles",
  author = "Birte Glimm and Ian Horrocks and Ulrike Sattler",
  year = "2006",
  booktitle = "Proc.\ of the 2006 Description Logic Workshop (DL~2006)",
  series = "CEUR (\url{http://ceur-ws.org/})",
  url = "download/2006/GlHS06a.pdf",
  volume = "189",
}