253 search results - page 1 / 51 » On the Decidability of the Safety Problem for Access Control... |
ENTCS
2007
13 years 4 months ago
2007
An access control system regulates the rights of users to gain access to resources in accordance with a specified policy. The rules in this policy may interact in a way that is n...
CCS
2006
ACM
13 years 8 months ago
2006
ACM
The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
CSE
2009
IEEE
13 years 11 months ago
2009
IEEE
—Constraints are an important part of role-based access control policies. The safety or security of a system is maintained by enforcing constraints that are specified in the pol...
SAC
2005
ACM
13 years 10 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 ...
SACMAT
2009
ACM
13 years 11 months ago
2009
ACM
Publish-subscribe (pub-sub) systems are useful for many applications, including pervasive environments. In the latter context, however, great care must be taken to preserve the pr...