304 search results - page 40 / 61 » Future Directions in Role-Based Access Control Models |
IADIS
2004
15 years 1 months ago
2004
We have designed and deployed a system that uses X.509 public-key certificates (PKC) and attribute certificates (AC) for access control. This includes an authorization service for...
PDP
2003
IEEE
15 years 5 months ago
2003
IEEE
: In this paper the problem of educational resource management in a cooperative learning environment is discussed. A task model was elaborated to determine both functional and leve...
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WAPCV
2007
Springer
15 years 5 months ago
2007
Springer
One of the first steps of any visual system is that of locating suitable interest points, ‘salient regions’, in the scene, to detect events, and eventually to direct gaze towa...
ESCIENCE
2006
IEEE
15 years 5 months ago
2006
IEEE
The ability to dynamically create and subsequently manage secure virtual organisations (VO) is one of the key challenges facing the Grid community. Existing approaches for establi...
CCS
2005
ACM
15 years 5 months ago
2005
ACM
Automated trust negotiation is an approach which establishes trust between strangers through the bilateral, iterative disclosure of digital credentials. Sensitive credentials are ...