Henrik Bulskov, Rasmus Knappe, Troels Andreasen. On Querying Ontologies and Databases. In Henning Christiansen, Mohand-Said Hacid, Troels Andreasen, Henrik Legind Larsen, editors, Flexible Query Answering Systems, 6th International Conference, FQAS 2004, Lyon, France, June 24-26, 2004, Proceedings. Volume 3055 of Lecture Notes in Computer Science, pages 191-202, Springer, 2004. [doi]
Abstract is missing.