579 search results - page 29 / 116 » Policies, Models, and Languages for Access Control |
CCS
2008
ACM
13 years 10 months ago
2008
ACM
We present EON, a logic-programming language and tool that can be used to model and analyze dynamic access control systems. Our language extends Datalog with some carefully design...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
—Usage control goes beyond traditional access control, addressing its limitations related to attribute mutability and continuous usage permission validation. The recently propose...
XMLSEC
2003
ACM
14 years 2 months ago
2003
ACM
Authorization systems today are increasingly complex. They span domains of administration, rely on many different authentication sources, and manage permissions that can be as com...
SACMAT
2010
ACM
14 years 1 months ago
2010
ACM
Access to distributed databases containing tuples collected about mobile physical objects requires information about the objects’ trajectories. Existing access control models ca...
DBSEC
2010
13 years 9 months ago
2010
Abstract. We consider the problem of developing an abstract metamodel of access control in terms of which policies for protecting a principal's private information may be spec...