Community Detection and Behavior Study for Social Behavior Study for Social Computing Computing Huan Liu + Lei Tang + and Nitin Agarwal * Huan Liu , Lei Tang , and Nitin Agarwal + Arizona State University * Ui it fAk t Littl R k * University of Arkansas at Little Rock Updated slides available at http://www.public.asu.edu/~ltang9/ http://www.public.asu.edu/~huanliu/