170 search results - page 20 / 34 » Risk management in dynamic role based access control systems |
ICDCS
2006
IEEE
14 years 1 months ago
2006
IEEE
In a distributed environment the utilization of file buffer caches in different clients may vary greatly. Cooperative caching is used to increase cache utilization by coordinatin...
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...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
In both the commercial and defense sectors a compelling need is emerging for highly dynamic, yet risk optimized, sharing of information across traditional organizational boundarie...
ICTAI
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
IMECS
2007
13 years 9 months ago
2007
— This paper proposes an authentication approach to support multi-clients in using a multi-application based environment. The approach is primarily based on the public key infras...