L. Luca, B. Stephen, and D. Pierpaolo. Computational Collective Intelligence: Semantic Web, Social Networks and Multiagent Systems First International Conference, ICCCI 2009, Wroclaw, Poland, volume 5796 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2009)
T. Dillon, A. Talevski, V. Potdar, and E. Chang. Ubiquitous Intelligence and Computing: 6th International Conference, UIC 2009, Brisbane, Australia, (2009)