316 search results - page 31 / 64 » Conditional Privacy-Aware Role Based Access Control |
CSSE
2004
IEEE
13 years 9 months ago
2004
IEEE
Even though the final objective of an access control model is to provide a framework to decide if actions performed by subjects on objects are permitted or not, it is not convenie...
CCS
2004
ACM
14 years 3 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...
SACMAT
2009
ACM
14 years 4 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...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
CDC
2009
IEEE
2009
IEEE
A switched system approach to scheduling of networked control systems with communication constraints
14 years 2 months ago
This paper presents a scheduling strategy for a collection of discrete-time networked control systems (NCSs) subjected to communication constraints. Communication constraints under...