229 search results - page 7 / 46 » Set Covering Problems in Role-Based Access Control |
SACMAT
2003
ACM
14 years 2 months ago
2003
ACM
The Role-Based Access Control (RBAC) model is traditionally used to manually assign users to appropriate roles. When the service-providing enterprise has a massive customer base, ...
CCS
2004
ACM
14 years 2 months ago
2004
ACM
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...
ENTCS
2006
13 years 9 months ago
2006
Community decisions about access control in virtual communities are non-monotonic in nature. This means that they cannot be expressed in current, monotonic trust management langua...
VLDB
2008
ACM
14 years 9 months ago
2008
ACM
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
TGC
2005
Springer
14 years 2 months ago
2005
Springer
Our society is increasingly moving towards richer forms of information exchange where mobility of processes and devices plays a prominent role. This tendency has prompted the acade...