1422 search results - page 148 / 285 » Information security and risk management |
CISS
2008
IEEE
14 years 4 months ago
2008
IEEE
—One of the major concerns of cognitive radios when used for secondary spectrum access is the potential of interfering primary users, considering especially that cognitive radios...
CCS
2007
ACM
14 years 4 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
IJWIN
2006
13 years 10 months ago
2006
We describe a trust-based data management framework enabling mobile devices to access the distributed computation, storage, and sensory resources available in pervasive computing ...
EDOC
2003
IEEE
14 years 3 months ago
2003
IEEE
In this paper we sketch a framework supporting contract enactment within the context of virtual organisation units that are dynamically created in order to achieve a common object...
USENIX
1994
13 years 11 months ago
1994
As distributed computing systems grow in size, complexity and variety of application, the problem of protecting sensitive data from unauthorized disclosure and tampering becomes i...