CCS
2006
ACM
14 years 6 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...
CCS
2004
ACM
14 years 8 months ago
2004
ACM
We examine the problem of providing useful feedback about access control decisions to users while controlling the disclosure of the system’s security policies. Relevant feedback...
SACMAT
2006
ACM
14 years 9 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
EUC
2007
Springer
14 years 9 months ago
2007
Springer
Existing access control systems are typically unilateral in that the enterprise service provider assigns the access rights and makes the access control decisions, and there is no n...