Modeling topic and community structure in social tagging: The TTR-LDA-Community model

School of Information Management and Engineering, Shanghai University of Finance and Economics, Shanghai, China School of Library and Information Science, Indiana University, Bloomington, IN, USA Department of Computer Science and Technology, Tsinghua University,China School of International Business Administration, Shanghai University of Finance and Economics, Shanghai, China Rawls College of Business, Texas Tech University, TX, USA. [email protected] ,{binghe, dingying, sugimoto, eyan}@indiana.edu, [email protected]