]. C. Cattuto, D. Benz, A. Hotho, and G. Stumme, Semantic Grounding of Tag Relatedness in Social Bookmarking Systems, Proceedings of the 7th International Semantic Web Conference (ISWC08), pp.615-631, 2008.
DOI : 10.1016/S0169-7552(98)00110-X

S. Golder and B. A. Huberman, Usage patterns of collaborative tagging systems, Journal of Information Science, vol.32, issue.2, pp.198-208, 2006.
DOI : 10.1177/0165551506062337

T. Hammond, T. Hannay, B. Lund, and J. Scott, Social Bookmarking Tools (I), D-Lib Magazine, vol.11, issue.04, 2005.
DOI : 10.1045/april2005-hammond

R. Kumar, J. Novak, and A. Tomkins, Structure and evolution of online social networks, KDD '06: Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining, pp.611-617, 2006.

K. Lerman and L. Jones, Social browsing on flickr, Proceedings of International Conference on Weblogs and Social Media (ICWSM), 2007.

J. Leskovec, L. Backstrom, R. Kumar, and A. Tomkins, Microscopic evolution of social networks, Proceeding of the 14th ACM SIGKDD international conference on Knowledge discovery and data mining, KDD 08, pp.462-470, 2008.
DOI : 10.1145/1401890.1401948

X. Li, L. Guo, and Y. E. Zhao, Tag-based social interest discovery, Proceeding of the 17th international conference on World Wide Web , WWW '08, pp.675-684, 2008.
DOI : 10.1145/1367497.1367589

D. Liben-nowell and J. Kleinberg, The link prediction problem for social networks, Proc. 12th Intl. Conf. on Information and Knowledge Management (CIKM), pp.556-559, 2003.

D. Lin, An information-theoretic definition of similarity, Proceedings of the Fifteenth International Conference on Machine Learning (ICML), pp.296-304, 1998.

B. Markines, C. Cattuto, F. Menczer, D. Benz, A. Hotho et al., Evaluating similarity measures for emergent semantics of social tagging, Proceedings of the 18th international conference on World wide web, WWW '09, 2009.
DOI : 10.1145/1526709.1526796

B. Markines and F. Menczer, A scalable, collaborative similarity measure for social annotation systems, Proceedings of the 20th ACM conference on Hypertext and hypermedia, HT '09, 2009.
DOI : 10.1145/1557914.1557982

B. Markines, H. Roinestad, and F. Menczer, Efficient assembly of social semantic networks, Proceedings of the nineteenth ACM conference on Hypertext and hypermedia, HT '08, pp.149-156, 2008.
DOI : 10.1145/1379092.1379122

C. Marlow, M. Naaman, D. Boyd, and M. Davis, HT06, tagging paper, taxonomy, Flickr, academic article, to read, Proceedings of the seventeenth conference on Hypertext and hypermedia , HYPERTEXT '06, pp.31-40, 2006.
DOI : 10.1145/1149941.1149949

A. Mathes, Folksonomies ? Cooperative Classification and Communication Through Shared Metadata, 2004.

F. Menczer, Lexical and semantic clustering by Web links, Journal of the American Society for Information Science and Technology, vol.296, issue.14, pp.1261-1269, 2004.
DOI : 10.1002/asi.20081

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.72.1136

P. Mika, Ontologies are us: A unified model of social networks and semantics, Web Semantics: Science, Services and Agents on the World Wide Web, pp.5-15, 2007.

A. Mislove, H. S. Koppula, K. P. Gummadi, P. Druschel, and B. Bhattacharjee, Growth of the flickr social network, Proceedings of the first workshop on Online social networks, WOSP '08, 2008.
DOI : 10.1145/1397735.1397742

A. Mislove, M. Marcon, K. P. Gummadi, P. Druschel, and B. Bhattacharjee, Measurement and analysis of online social networks, Proceedings of the 7th ACM SIGCOMM conference on Internet measurement , IMC '07, 2007.
DOI : 10.1145/1298306.1298311

M. E. Newman, Mixing patterns in networks, Physical Review E, vol.67, issue.2, p.26126, 2003.
DOI : 10.1103/PhysRevE.67.026126

R. Pastor-satorras, A. Vázquez, and A. Vespignani, Dynamical and Correlation Properties of the Internet, Physical Review Letters, vol.87, issue.25, p.258701, 2001.
DOI : 10.1103/PhysRevLett.87.258701

C. Prieur, D. Cardon, J. Beuscart, N. Pissard, and P. Pons, The strength of weak cooperation: A case study on flickr, 2008.

G. Salton, Automatic text processing: the transformation, analysis, and retrieval of information by computer

E. Santos-neto, D. Condon, N. Andrade, A. Iamnitchi, and M. Ripeanu, Individual and social behavior in tagging systems, Proceedings of the 20th ACM conference on Hypertext and hypermedia, HT '09, pp.183-192, 2009.
DOI : 10.1145/1557914.1557947

S. Staab, S. Santini, F. Nack, L. Steels, and A. Maedche, Emergent semantics. Intelligent Systems, pp.78-86, 2002.

L. Steels, Semiotic dynamics for embodies agents, IEEE Intelligent Systems, vol.21, 2006.
DOI : 10.1109/mis.2006.58

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.77.6625

R. Van-zwol, Flickr: Who is looking? In WI '07: Proceedings of the IEEE, ACM International Conference on Web Intelligence, pp.184-190, 2007.

A. Vázquez, R. Pastor-satorras, and A. Vespignani, Large-scale topological and dynamical properties of the Internet, Physical Review E, vol.65, issue.6, p.66130, 2002.
DOI : 10.1103/PhysRevE.65.066130