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CNIS
2006
14 years 11 months ago
2006
The rapid emergence of GPS enabled devices, sensors and mobile equipment in commercial as well as government organizations has led to considerable research in time- and location-b...
IRI
2005
IEEE
15 years 3 months ago
2005
IEEE
Role-Based Access Control (RBAC) models have emerged as a leading access control approach for today’s information systems. Hybrid role hierarchies introduced in the Generalized ...
MOBIQUITOUS
2005
IEEE
15 years 3 months ago
2005
IEEE
A significant deterrent to the ability to connect in a spontaneous manner in cross-enterprise collaborative applications is the difficulty in users from different domains being ab...
SACMAT
2003
ACM
15 years 2 months ago
2003
ACM
In large organizations the administration of access privileges (such as the assignment of an access right to a user in a particular role) is handled cooperatively through distribu...