708 search results - page 39 / 142 » A Policy Based Framework for Access Control |
103
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ICDCS
2002
IEEE
15 years 4 months ago
2002
IEEE
We argue that joint administration of access policies for a dynamic coalition formed by autonomous domains requires that these domains set up a coalition authority that distribute...
118
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TON
2012
13 years 2 months ago
2012
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
OTM
2007
Springer
15 years 6 months ago
2007
Springer
We show how Semantic Web technologies can be used to build an access control system. We follow the role-based access control approach (RBAC) and extend it with contextual attribute...
130
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ISM
2005
IEEE
15 years 5 months ago
2005
IEEE
The new IP Multimedia Subsystem (IMS) provides an overlay architecture for IP based core networks and enables the efficient provision of an open set of potentially highly integrat...
101
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CSE
2009
IEEE
15 years 6 months ago
2009
IEEE
Abstract—Vocabulary alignment is a main challenge in distributed access control as peers should understand each other’s policies unambiguously. Ontologies enable mutual underst...