1627 search results - page 34 / 326 » On context in authorization policy |
EUROSYS
2007
ACM
14 years 4 months ago
2007
ACM
We describe a new design for authorization in operating systems in which applications are first-class entities. In this design, principals reflect application identities. Access c...
MTA
2000
13 years 7 months ago
2000
In this paper we present our research and development experience in the context of Interactive Multimedia Documents (IMDs). We define a rich model for such documents covering the ...
FIS
2010
13 years 5 months ago
2010
Imagine what kind of applications become possible when our mobile devices not only present data but provide valuable information to other users. Users become able to instantaneousl...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
A well-known concern in the setting of identity based encryption is that the PKG is all powerful and has to be completely trusted. To mitigate this problem, the notion of Accounta...