D. Donato, F. Bonchi, T. Chi, und Y. Maarek. Proceedings of the 19th international conference on World wide web, Seite 321--330. New York, NY, USA, ACM, (2010)
B. Yu, und M. Singh. Cooperative Information Agents IV - The Future of Information Agents in Cyberspace, Volume 1860 von Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2000)
B. Yu, und M. Singh. Proceedings of the second international joint conference on Autonomous agents and multiagent systems, Seite 65--72. New York, NY, USA, ACM, (2003)
P. Jurczyk, und E. Agichtein. Proceedings of the sixteenth ACM conference on Conference on information and knowledge management, Seite 919--922. New York, NY, USA, ACM, (2007)