A. Harth, S. Kinsella, и S. Decker. International Semantic Web Conference, том 5823 из Lecture Notes in Computer Science, стр. 277-292. Springer, (2009)
T. Franz, A. Schultz, S. Sizov, и S. Staab. The Semantic Web - ISWC 2009, 8th International Semantic Web Conference, ISWC 2009, Chantilly, VA, USA, October 25-29, 2009. Proceedings, стр. 213--228. (2009)
A. Balmin, V. Hristidis, и Y. Papakonstantinou. VLDB '04: Proceedings of the Thirtieth international conference on Very large data bases, стр. 564--575. VLDB Endowment, (2004)