L. Backstrom, D. Huttenlocher, J. Kleinberg, and X. Lan, Group formation in large social networks, Proceedings of the 12th ACM SIGKDD international conference on Knowledge discovery and data mining , KDD '06, pp.44-54, 2006.
DOI : 10.1145/1150402.1150412

K. J. Biba, Integrity considerations for secure computer systems, 1977.

. Citycloud, Some interesting bits about latency. https://www.citycloud.com/ city-cloud/some-interesting-bits-about-latency, 2012.

E. Gamma, R. Helm, R. Johnson, and J. Vlissides, Design Patterns, 1994.

G. S. Graham and P. J. Denning, Protection, Proceedings of the November 16-18, 1971, fall joint computer conference on, AFIPS '71 (Fall), pp.417-429, 1972.
DOI : 10.1145/1478873.1478928

H. Hu and G. Ahn, Multiparty Authorization Framework for Data Sharing in Online Social Networks, Proceedings of DBSec'11, pp.29-43, 2011.
DOI : 10.1007/978-3-642-22348-8_5

H. Hu, G. Ahn, and J. Jorgensen, Detecting and resolving privacy conflicts for collaborative data sharing in online social networks, Proceedings of the 27th Annual Computer Security Applications Conference on, ACSAC '11, pp.103-112, 2011.
DOI : 10.1145/2076732.2076747

H. Hu, G. Ahn, and J. Jorgensen, Multiparty access control for online social networks: Model and mechanisms How Facebook Ticker Exposing Your Information and Behavior Without Your Knowledge, IEEE Transactions on Knowledge and Data Engineering, 2011.

J. Leskovec, K. J. Lang, A. Dasgupta, and M. W. Mahoney, Community Structure in Large Networks: Natural Cluster Sizes and the Absence of Large Well-Defined Clusters, Internet Mathematics, vol.6, issue.1, pp.29-123, 2009.
DOI : 10.1080/15427951.2009.10129177

N. Li and M. V. Tripunitara, On safety in discretionary access control, Proceedings of IEEE S&P'05, pp.96-109, 2005.

R. B. Miller, Response time in man-computer conversational transactions, Proceedings of the December 9-11, 1968, fall joint computer conference, part I on, AFIPS '68 (Fall, part I), pp.267-277, 1968.
DOI : 10.1145/1476589.1476628

A. C. Squicciarini, M. Shehab, and F. Paci, Collective privacy management in social networks, Proceedings of the 18th international conference on World wide web, WWW '09, pp.521-530, 2009.
DOI : 10.1145/1526709.1526780

A. C. Squicciarini, M. Shehab, and J. Wede, Privacy policies for shared content in social network sites, The VLDB Journal, vol.58, issue.5, pp.777-796, 2010.
DOI : 10.1007/s00778-010-0193-7

A. C. Squicciarini, H. Xu, and X. L. Zhang, CoPE : Enabling collaborative privacy management in online social networks 18. The Social CMO. New Facebook Ticker Is Invasion of Privacy, Journal of the American Society for Information Science, vol.62, issue.3, pp.521-534, 2011.

K. Thomas, C. Grier, and D. M. Nicol, Unfriendly: Multi-party privacy risks in social networks 20. C. Washbrook. Facebook's Ticker Privacy Scare, and What You Should Do About It, Proceedings of PETS'10, pp.236-252, 2010.

R. Wishart, D. Corapi, S. Marinovic, and M. Sloman, Collaborative Privacy Policy Authoring in a Social Networking Context, 2010 IEEE International Symposium on Policies for Distributed Systems and Networks, pp.1-8, 2010.
DOI : 10.1109/POLICY.2010.13