1177 search results - page 179 / 236 » A Theory of Role Composition |
SACMAT
2009
ACM
14 years 5 months ago
2009
ACM
XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
SIGCOMM
2009
ACM
14 years 5 months ago
2009
ACM
Carrier sense is often used to regulate concurrency in wireless medium access control (MAC) protocols, balancing interference protection and spatial reuse. Carrier sense is known ...
HICSS
2008
IEEE
14 years 5 months ago
2008
IEEE
Many peer-to-peer (P2P) networks have been widely used for file sharing. A peer acts both as a content provider and a consumer, and is granted autonomy to decide what content, wit...
ICARCV
2008
IEEE
14 years 5 months ago
2008
IEEE
—Face recognition performance depends upon the input variability as encountered during biometric data capture including occlusion and disguise. The challenge met in this paper is...
HICSS
2007
IEEE
14 years 5 months ago
2007
IEEE
Prior research suggests people have trouble juggling effort across multiple projects with multiple partners. We investigated this problem, with an experiment where groups of four ...