587 search results - page 24 / 118 » Role updating for assignments |
CSCW
1996
ACM
14 years 1 months ago
1996
ACM
Collaborative systems provide a rich but potentially chaotic environment for their users. This paper presents a system that allows users to control collaboration by enacting polic...
AIMS
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. This paper addresses the problem of specifying and establishing secure collaborations between autonomous entities that need to interact and depend on each other in order ...
ICDM
2007
IEEE
14 years 3 months ago
2007
IEEE
Communities are nodes in a network that are grouped together based on a common set of properties. While the communities and link structures are often thought to be in alignment, i...
CSREASAM
2006
13 years 11 months ago
2006
Role based access control (RBAC) allows users access to resources based on their competencies and responsibilities within an organization. Typically, RBAC is provided as a securit...
GIS
2008
ACM
14 years 10 months ago
2008
ACM
In this paper, we follow the role-based access control (RBAC) approach and extend it to provide for the dynamic association of roles with users. In our framework, privileges assoc...