D. Hendry, und A. Carlyle. System Sciences, 2006. HICSS '06. Proceedings of the 39th Annual Hawaii International Conference on, 3, Seite 51b. Los Alamitos, CA, USA, IEEE Computer Society, (2006)
D. Millard, und M. Ross. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, Seite 27--30. New York, NY, USA, ACM Press, (2006)
P. Mika. The Semantic Web - ISWC 2005, Proceedings of the 4th International Semantic Web Conference, ISWC 2005, Galway, Ireland, November 6-10, Volume 3729 von Lecture Notes in Computer Science, Seite 522-536. Springer, (2005)