M. Faloutsos, P. Faloutsos, и C. Faloutsos. Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication, стр. 251--262. New York, NY, USA, ACM, (1999)
R. Jäschke, A. Hotho, C. Schmitz, и G. Stumme. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), том 4604 из Lecture Notes in Artificial Intelligence, стр. 283--295. Berlin, Heidelberg, Springer-Verlag, (июля 2007)
C. Marlow, M. Naaman, D. Boyd, и M. Davis. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, стр. 31--40. New York, NY, USA, ACM Press, (2006)