438 search results - page 66 / 88 » Activity-based Access Control Model to Hospital Information |
IFIP
2004
Springer
14 years 1 months ago
2004
Springer
Abstract— An ad hoc wireless network is an autonomous selforganizing system of mobile nodes connected by wireless links where nodes not in direct range communicate via intermedia...
FUN
2010
Springer
14 years 1 months ago
2010
Springer
In countries such as China or Iran where Internet censorship is prevalent, users usually rely on proxies or anonymizers to freely access the web. The obvious difficulty with this a...
CCS
2007
ACM
14 years 2 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Separation of duties (SoD) is a key security requirement for many business and information systems. Role Based Access Controls (RBAC) is a relatively new paradigm for protecting i...
ICADL
2004
Springer
14 years 1 months ago
2004
Springer
This paper presents our implementation techniques for an intelligent Web image search engine. A reference architecture of the system is provided and addressed in this paper. The s...