I. Doush, and E. Pontelli. Computers Helping People with Special Needs, volume 6179 of Lecture Notes in Computer Science, Springer Berlin / Heidelberg, 10.1007/978-3-642-14097-6_60.(2010)
M. Barla, and M. Bielikov�. Computational Collective Intelligence. Semantic Web, Social Networks and Multiagent System, volume 5796 of Lecture Notes in Computer Science, page 309-320. Springer, (2009)
X. Wu, L. Zhang, and Y. Yu. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 417--426. New York, NY, USA, ACM Press, (2006)
L. Wu, L. Yang, N. Yu, and X. Hua. WWW '09: Proceedings of the 18th international conference on World wide web, page 361--370. New York, NY, USA, ACM, (2009)
H. Wu, M. Zubair, and K. Maly. HYPERTEXT '06: Proceedings of the seventeenth conference on Hypertext and hypermedia, page 111--114. New York, NY, USA, ACM Press, (2006)