150 search results - page 25 / 30 » A Framework for Role-Based Access Control in Group Communica... |
DIM
2005
ACM
13 years 9 months ago
2005
ACM
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
SIMUTOOLS
2008
13 years 9 months ago
2008
Evaluating the performance of a cooperative relaying protocol requires an implementation for simulators and/or software-defined radios (SDRs) with an appropriate model for error d...
PODC
2011
ACM
12 years 10 months ago
2011
ACM
We present a cryptographic framework to achieve access control, privacy of social relations, secrecy of resources, and anonymity of users in social networks. The main idea is to u...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Proof of a user's identity is not always a sufficient means for making an authorization decision. In an increasing set of circumstances, knowledge of physical location provide...
ESWS
2010
Springer
14 years 12 days ago
2010
Springer
Semantic Web policies are general statements defining the behavior of a system that acts on behalf of real users. These policies have various applications ranging from dynamic age...