98 search results - page 3 / 20 » Designing Role Hierarchies for Access Control in Workflow Sy... |
ACSAC
1998
IEEE
13 years 9 months ago
1998
IEEE
Abstract Role-based access control RBAC has recently received a lot of attention due to its exibility, expressive power and simplicity in administration. In RBAC permissions are as...
NCA
2007
IEEE
13 years 11 months ago
2007
IEEE
We present FRAC, a Framework for Role-based Access Control in network file systems. FRAC is a reference monitor that controls the message flow between file system clients and s...
POLICY
2004
Springer
13 years 11 months ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
CSFW
2004
IEEE
13 years 9 months ago
2004
IEEE
Workflow management systems (WFMSs) have attracted a lot of interest both in academia and the business community. A workflow consists of a collection of tasks that are organized t...
ADC
2007
Springer
13 years 11 months ago
2007
Springer
Research efforts have been directed toward the improvement of privacy protecting technology by incorporating privacy protection into database systems. Purpose acts as a central co...