R. Lambiotte, и M. Ausloos. Computational Science – ICCS 2006, том 3993 из Lecture Notes in Computer Science, стр. 1114-1117. Springer Berlin / Heidelberg, (2006)
B. Krause, R. Jäschke, A. Hotho, и G. Stumme. HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia, стр. 157-166. New York, NY, USA, ACM, (2008)
R. Jäschke, B. Krause, A. Hotho, и G. Stumme. Proceedings of the Second International Conference on Weblogs and Social Media(ICWSM 2008), AAAI Press, (2008)
A. Hotho, R. Jäschke, C. Schmitz, и G. Stumme. The Semantic Web: Research and Applications, том 4011 из LNAI, стр. 411-426. Heidelberg, Springer, (2006)