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SACMAT
2009
ACM
14 years 3 months ago
2009
ACM
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
COLCOM
2009
IEEE
14 years 1 months ago
2009
IEEE
— Sharing personal information and documents is pervasive in Web 2.0 environments, which creates the need for properly controlling shared data. Most existing authorization and po...
RTS
2011
12 years 11 months ago
2011
This paper is an extended version of a paper that appeared in the proceedings of the IEEE Real-Time Systems Symposium 2009. This paper has been updated with respect to advances ma...
SOUPS
2009
ACM
14 years 3 months ago
2009
ACM
Existing technologies for file sharing differ widely in the granularity of control they give users over who can access their data; achieving finer-grained control generally requ...
INFOCOM
2009
IEEE
14 years 3 months ago
2009
IEEE
—This paper considers the design of opportunistic packet schedulers for users sharing a time-varying wireless channel from the performance and the robustness points of view. Firs...