@inproceedings{GlHo04a,
  title = "Query Answering Systems in the Semantic Web",
  author = "Birte Glimm and Ian Horrocks",
  year = "2004",
  booktitle = "CEUR workshop proceedings of KI-2004 Workshop on Applications of Description Logics (ADL 2004)",
  location = "Ulm, Germany",
}