N. Villanueva-Rosales, и M. Dumontier. том 258 из Proceedings of the OWLED 2007 Workshop on OWL: Experiences and Directions, Innsbruck, Austria, (2007)
A. Preece, S. Chalmers, C. McKenzie, J. Pan, и P. Gray. ICEC '06: Proceedings of the 8th international conference on Electronic
commerce, 156, стр. 151-161. Delta Fredericton, Fredericton, New Brunswick, Canada, ACM Press, (августа 2006)
M. Dean. Rules and Rule Markup Languages for the Semantic Web (RuleML 2004), том 3323 из Lecture Notes in Computer Science (LNCS), стр. 1 - 5. Berlin / Heidelberg, Springer, (2004)
S. Brockmans, P. Haase, P. Hitzler, и R. Studer. The Semantic Web: Research and Applications, том 4011 из LNCS, стр. 303-316. Budva, Montenegro, Springer, (июня 2006)