1. Banerjee, G.A.: Clickstream clustering using weighted longest common subsequences. In: Proc. of the Workshop on Web Mining, SIAM Conference on Data Mining, Chicago, pp. 158–172 (2009)
2. Chaofeng, L.: Research on Web Session Clustering. Journal of Software 4(5) (2009)
3. Weimann, G.: How Modern Terrorism Uses the Internet, United States Institute of Peace, Special Report 116 (2004), http://www.terror.net
4. Lecture Notes in Computer Science;J.-R. Hwang,2006
5. Lee, E., Leets, L.: Persuasive storytelling by hate groups online - Examining its effects on adolescents. American Behavioral Scientist 45, 927–957 (2002)