123 search results - page 14 / 25 » D-algebra for composing access control policy decisions |
CSFW
2002
IEEE
14 years 16 days ago
2002
IEEE
Privacy is an increasing concern in the marketplace. Although enterprises promise sound privacy practices to their customers, there is no technical mechanism to enforce them inter...
SAC
2005
ACM
14 years 1 months ago
2005
ACM
In traditional access control models like MAC, DAC, and RBAC, authorization decisions are determined according to identities of subjects and objects, which are authenticated by a ...
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
COLCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
—In an ad-hoc collaborative sharing environment, attribute-based access control provides a promising approach in defining authorization over shared resources based on users’ p...
EUROSEC
2009
ACM
14 years 2 months ago
2009
ACM
Quantitative Trust Management (QTM) provides a dynamic interpretation of authorization policies for access control decisions based on upon evolving reputations of the entities inv...