J. Henss, J. Kleb, S. Grimm, and J. Bock. Proceedings of the 5th International Workshop on OWL: Experiences and Directions (OWLED 2009), Chantilly, VA, United States, October 23-24, 2009, 529, (2009)
J. Lu, L. Ma, L. Zhang, J. Brunner, C. Wang, Y. Pan, and Y. Yu. VLDB '07: Proceedings of the 33rd international conference on Very large data bases, page 1402--1405. VLDB Endowment, (2007)
E. Chong, S. Das, G. Eadon, and J. Srinivasan. VLDB '05: Proceedings of the 31st international conference on Very large data bases, page 1216--1227. VLDB Endowment, (2005)
P. Haase, J. Broekstra, A. Eberhart, and R. Volz. Proceedings of the Third International Semantic Web Conference, Hiroshima, Japan, 2004., (November 2004)