[1] Glimm Birte, Horrocks Ian.Query answering systems in the semantic web[A].In: Bechhofer Sean, Haarslev Volker, Lutz Carsten, eds.Proc of the KI-04 Workshop on Applications of Description Logics[C].Edinburgh:CEUR-WS, 2004.21-30.
[2] Nagy Zsolt, Lukacsy Gergely, Szeredi Peter.Translating description logic queries to prolog[A].In:van Hentenryck P, ed.Proc of the 8th International Symposium on Practical Aspects of Declarative Languages (PADL 2006)[C].Berlin:Springer, 2006.168-182.
[3] Haarslev Volker, Moller Ralf.Optimization techniques for retrieving resources described in OWL/RDF document:first results[A].In:Whistler, ed.Proc of the Ninth International Conference (KR2004)[C].British Columbia:AAAI Press, 2004.163-173.
[4] Horrocks Ian, Tessaris Sergio.Querying the semantic web:a formal approach[A].In:Ian Horrocks, Hendler James, eds.Proc of the 13th International Semantic Web Conference [C].Berlin:Springer, 2002.177-191.
[5] Haarslev Volker, Moller Ralf.Querying the semantic web with Racer+nRQL[A].In:Bechhofer Sean, Haarslev Volker, Lutz Carsten, eds.Proc of the KI-04 Workshop on Applications of Description Logics [C].Edinburgh:CEUR-WS, 2004.31-40.
[6] Calvanese Diego, de Giacomo Giuseppe, Lembo Domenico, et al.Data complexity of query answering in description logics[A].In:Horrocks Ian, Sattler Ulrike, Wolter Frank, eds.Proc of the 2005 Description Logic Workshop[C].Edinburgh:CEUR-WS, 2005.49-60.