F. Abel, Q. Gao, G. J. Houben, and K. Tao, Analyzing temporal dynamics in Twitter profiles for personalized recommendations in the social web, Proceedings of the 3rd International Web Science Conference on, WebSci '11, pp.1-8, 2011.
DOI : 10.1145/2527031.2527040

E. Agichtein, C. Castillo, D. Donato, A. Gionis, and G. Mishne, Finding high-quality content in social media, Proceedings of the international conference on Web search and web data mining , WSDM '08, pp.183-194, 2008.
DOI : 10.1145/1341531.1341557

A. Anderson, D. Huttenlocher, J. Kleinberg, and J. Leskovec, Effects of user similarity in social media, Proceedings of the fifth ACM international conference on Web search and data mining, WSDM '12, pp.703-712, 2012.
DOI : 10.1145/2124295.2124378

J. C. Bezdek, Pattern Recognition with Fuzzy Objective Function Algorithms, 1981.
DOI : 10.1007/978-1-4757-0450-1

M. Bouguessa, B. Dumoulin, and S. Wang, Identifying authoritative actors in questionanswering forums: The case of yahoo! answers, Proceedings of the 14th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD), pp.866-874, 2008.

M. Cha, H. Haddadi, F. Benevenuto, and P. K. Gummadi, Measuring user influence in twitter: The million follower fallacy, Proceedings of the Fourth International Conference on Weblogs and Social Media (ICWSM), 2010.

J. C. Dunn, A Fuzzy Relative of the ISODATA Process and Its Use in Detecting Compact Well-Separated Clusters, Journal of Cybernetics, vol.3, issue.3, pp.32-57, 1974.
DOI : 10.1080/01969727308546046

J. Guo, S. Xu, S. Bao, and Y. Yu, Tapping on the potential of q&a community by recommending answer providers, Proceeding of the 17th ACM conference on Information and knowledge mining, CIKM '08, pp.921-930, 2008.
DOI : 10.1145/1458082.1458204

C. Honeycutt and S. C. Herring, Beyond microblogging: Conversation and collaboration via twitter, 42nd Hawaii International Conference on System Sciences (HICSS, pp.1-10, 2009.

B. A. Huberman, D. M. Romero, and F. Wu, Social networks that matter: Twitter under the microscope, First Monday, vol.14, issue.1, 2008.

E. Kafeza, A. Kanavos, C. Makris, and D. Chiu, Identifying Personality-Based Communities in Social Networks, Advances in Conceptual Modeling, pp.7-13, 2014.
DOI : 10.1007/978-3-319-14139-8_2

E. Kafeza, A. Kanavos, C. Makris, and P. Vikatos, T-PICE: Twitter Personality Based Influential Communities Extraction System, 2014 IEEE International Congress on Big Data, pp.212-219, 2014.
DOI : 10.1109/BigData.Congress.2014.38

A. Kanavos, I. Perikos, I. Hatzilygeroudis, and A. Tsakalidis, Emotional community detection in social networks, Computers & Electrical Engineering, vol.65, pp.449-460, 2018.
DOI : 10.1016/j.compeleceng.2017.09.011

K. Kozorovitsky, A. Kurland, and O. , Cluster-based fusion of retrieved lists, Proceedings of the 34th international ACM SIGIR conference on Research and development in Information, SIGIR '11, pp.893-902, 2011.
DOI : 10.1145/2009916.2010035

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

A. N. Langville and C. D. Meyer, Google's PageRank and Beyond: The Science of Search Engine Rankings, 2006.
DOI : 10.1515/9781400830329

M. R. Morris, S. Counts, A. Roseway, A. Hoff, and J. Schwarz, Tweeting is believing?, Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work, CSCW '12, pp.441-450, 2012.
DOI : 10.1145/2145204.2145274

L. Page, S. Brin, R. Motwani, and T. Winograd, The pagerank citation ranking: Bringing order to the web, p.66, 1999.

A. Pal and S. Counts, Identifying topical authorities in microblogs, Proceedings of the fourth ACM international conference on Web search and data mining, WSDM '11, pp.45-54, 2011.
DOI : 10.1145/1935826.1935843

G. Stilo and P. Velardi, Time Makes Sense: Event Discovery in Twitter Using Temporal Similarity, 2014 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT), pp.2014-186, 2014.
DOI : 10.1109/WI-IAT.2014.97

B. Suh, L. Hong, P. Pirolli, and E. H. Chi, Want to be Retweeted? Large Scale Analytics on Factors Impacting Retweet in Twitter Network, 2010 IEEE Second International Conference on Social Computing, pp.177-184, 2010.
DOI : 10.1109/SocialCom.2010.33
URL : http://www-users.cs.umn.edu/~echi/papers/2010-socialcom/2010-06-25-retweetability-cameraready-v3.pdf

J. Weng, E. P. Lim, J. Jiang, and Q. He, TwitterRank, Proceedings of the third ACM international conference on Web search and data mining, WSDM '10, pp.261-270, 2010.
DOI : 10.1145/1718487.1718520

S. Wu, J. M. Hofman, W. A. Mason, and D. J. Watts, Who says what to whom on twitter, Proceedings of the 20th international conference on World wide web, WWW '11, pp.705-714, 2011.
DOI : 10.1145/1963405.1963504
URL : http://www.www2011india.com/proceeding/proceedings/p705.pdf