1140 search results - page 31 / 228 » A Purpose-Based Access Control Model |
JSAC
2008
13 years 7 months ago
2008
In this paper, we generalize the random access game model, and show that it provides a general game-theoretic framework for designing contention based medium access control. We ext...
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...
SOCO
2008
Springer
13 years 7 months ago
2008
Springer
Abstract. Extensible Component Platforms support the discovery, installation, starting, uninstallation of components at runtime. Since they are often targeted at mobile resource-co...
IEEEIAS
2009
IEEE
14 years 2 months ago
2009
IEEE
: Web services over the Internet are widely used nowadays. The problem of secure access to Web-based systems is of great importance naturally. Compared with the existing models, th...
TMC
2011
13 years 2 months ago
2011
We consider the problem of optimal channel access to provide quality of service (QoS) for data transmission in cognitive vehicular networks. In such a network the vehicular nodes ...