M. Krötzsch, D. Vrandecic, and M. Völkel. The Semantic Web - ISWC 2006, 5th International Semantic Web Conference, ISWC 2006, Athens, GA, USA, November 5-9, 2006, Proceedings, volume 4273 of Lecture Notes in Computer Science, page 935--942. Springer, (2006)
Y. Sure, S. Bloehdorn, P. Haase, J. Hartmann, and D. Oberle. Proceedings of the 12th Portuguese Conference on Artificial Intelligence - Progress in Artificial Intelligence (EPIA 2005), volume 3803 of LNCS, page 218 - 231. Covilha, Portugal, Springer, (December 2005)
M. Dean. Rules and Rule Markup Languages for the Semantic Web (RuleML 2004), volume 3323 of Lecture Notes in Computer Science (LNCS), page 1 - 5. Berlin / Heidelberg, Springer, (2004)
R. Khare, and T. Çelik. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 865-866. New York, NY, USA, ACM Press, (2006)