F. Abel, S. Araújo, Q. Gao, and G. Houben, Analyzing Cross-System User Modeling on the Social Web, Web Engineering, pp.28-43, 2011.
DOI : 10.1007/978-3-642-22233-7_3

F. Abel, Q. Gao, G. Houben, and K. Tao, Semantic Enrichment of Twitter Posts for User Profile Construction on the Social Web, The Semanic Web: Research and Applications, pp.375-389, 2011.
DOI : 10.1007/978-3-642-17746-0_30

G. Adomavicius and A. Tuzhilin, Toward the next generation of recommender systems: A survey of the state-of-the-art and possible extensions. Knowledge and Data Engineering, IEEE Transactions on, vol.17, issue.6, pp.734-749

J. Ajmera, H. Ahn, M. Nagarajan, A. Verma, D. Contractor et al., A CRM system for social media, Proceedings of the 22nd international conference on World Wide Web, WWW '13, pp.49-58, 2013.
DOI : 10.1145/2488388.2488394

S. Cohen, B. Kimelfeld, and G. Koutrika, A Survey on Proximity Measures for Social Networks, Search Computing, vol.7538, pp.191-206, 2012.
DOI : 10.1007/978-3-642-34213-4_13

C. S. Firan, W. Nejdl, and R. Paiu, The Benefit of Using Tag-Based Profiles, 2007 Latin American Web Conference (LA-WEB 2007), pp.32-41, 2007.
DOI : 10.1109/LA-Web.2007.13

M. Girvan and M. E. Newman, Community structure in social and biological networks, Proceedings of the National Academy of Sciences, pp.7821-7826, 2002.
DOI : 10.1073/pnas.122653799

J. Golbeck, Trust and nuanced profile similarity in online social networks, ACM Transactions on the Web, vol.3, issue.4, p.12, 2009.
DOI : 10.1145/1594173.1594174

C. Hung, Y. Huang, J. Y. Hsu, and D. K. Wu, Tag-based user profiling for social media recommendation, Workshop on Intelligent Techniques for Web Personalization & Recommender Systems at AAAI, 2008.

N. Imafuji and M. Kitsuregawa, Effects of maximum flow algorithm on identifying web community, Proceedings of the fourth international workshop on Web information and data management , WIDM '02, pp.43-48, 2002.
DOI : 10.1145/584931.584941

J. Kleinberg, Authoritative sources in a hyperlinked environment, Journal of the ACM, vol.46, issue.5, pp.604-632, 1999.
DOI : 10.1145/324133.324140

R. Kumar, P. Raghavan, S. Rajagopalan, and A. Tomkins, Trawling the Web for emerging cyber-communities, Computer Networks, vol.31, issue.11-16, pp.311481-1493, 1999.
DOI : 10.1016/S1389-1286(99)00040-7

M. E. Newman and M. Girvan, Finding and evaluating community structure in networks, Physical Review E, vol.69, issue.2, p.26113, 2004.
DOI : 10.1103/PhysRevE.69.026113

S. Papadopoulos, C. Zigkolis, Y. Kompatsiaris, and A. Vakali, Cluster-Based Landmark and Event Detection for Tagged Photo Collections, IEEE Multimedia, vol.18, issue.1, pp.52-63, 2010.
DOI : 10.1109/MMUL.2010.68

H. Quan, Online Social Networks and Social Network Services, 2011.
DOI : 10.1201/b11271-22

F. Radicchi, C. Castellano, F. Cecconi, V. Loreto, and D. Parisi, Defining and identifying communities in networks, Proceedings of the National Academy of Sciences, vol.101, issue.9, pp.2658-2663, 2004.
DOI : 10.1073/pnas.0400054101

S. Smyth and S. White, A spectral clustering approach to finding communities in graphs, Proceedings of the fifth SIAM international conference on data mining, p.274, 2005.

I. H. Witten and E. Frank, Data mining, ACM SIGMOD Record, vol.31, issue.1, 2005.
DOI : 10.1145/507338.507355

B. Wu, Q. Ye, S. Yang, and B. Wang, Group CRM, Proceeding of the 1st ACM international workshop on Complex networks meet information & knowledge management, CNIKM '09, pp.3-10, 2009.
DOI : 10.1145/1651274.1651277