872 search results - page 4 / 175 » An Access Control Language for a General Provenance Model |
COMGEO
2010
ACM
13 years 10 months ago
2010
ACM
Today sophisticated concepts, languages and frameworks exist, that allow implementing powerful fine grained access control systems for protecting Web Services and spatial data in ...
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...
ECOOP
2009
Springer
14 years 8 months ago
2009
Springer
Role-based access control (RBAC) is a common paradigm to ensure that users have sufficient rights to perform various system operations. In many cases though, traditional RBAC does ...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
In this paper we propose an access control model for the Resource Description Framework (RDF). We argue that existing access control models, like the ones developed for securing e...
CCS
2004
ACM
14 years 26 days ago
2004
ACM
Comparing the expressive power of access control models is recognized as a fundamental problem in computer security. Such comparisons are generally based on simulations between di...