123 search results - page 12 / 25 » D-algebra for composing access control policy decisions |
ICWS
2008
IEEE
13 years 9 months ago
2008
IEEE
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
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...
EUROPKI
2005
Springer
14 years 1 months ago
2005
Springer
Abstract The expansion of inter-organizational scenarios based on different authorization schemes involves the development of integration solutions allowing different authorizatio...
ENTCS
2007
13 years 7 months ago
2007
The potentials of modern information technology can only be exploited, if the underlying infrastructure and the applied applications sufficiently take into account all aspects of ...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...