98 search results - page 12 / 20 » Designing Role Hierarchies for Access Control in Workflow Sy... |
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
Traditional access control models, such as Role-Based Access Control (RBAC), do not take into account contextual information, such as location and time, for making access decision...
ELPUB
2007
ACM
13 years 11 months ago
2007
ACM
Two international scientific publishers collaborated to develop an Online Submission and Peer Review System (OSPREY) for their journals. Our goals were to meet market demand, incr...
USS
2004
13 years 9 months ago
2004
Window systems are the primary mediator of user input and output in modern computing systems. They are also a commonly used interprocess communication mechanism. As a result, they...
APWEB
2006
Springer
13 years 11 months ago
2006
Springer
Nowadays, the rapid advances in wireless communications, positioning techniques and mobile devices enable location based service such as dynamic traffic navigation. Yet, it is a ch...
ATAL
2003
Springer
14 years 25 days ago
2003
Springer
Research in multi-agent systems has led to the development of many multi-agent control architectures. However, we believe that there is currently no known optimal structure for mu...