32 search results - page 3 / 7 » Compositional Refinement of Policies in UML - Exemplified fo... |
CCS
2009
ACM
14 years 6 months ago
2009
ACM
This paper proposes a D-algebra to compose decisions from multiple access control policies. Compared to other algebrabased approaches aimed at policy composition, D-algebra is the...
CORR
2006
Springer
13 years 5 months ago
2006
Springer
Abstract. We consider the interpretations of notions of access control (permissions, interdictions, obligations, and user rights) as run-time properties of information systems spec...
ESORICS
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Security policies, in particular access control, are fundamental elements of computer security. We address the problem of authoring and analyzing policies in a modular wa...
DLOG
2009
13 years 6 months ago
2009
Relation Based Access Control (RelBAC) is an access control model designed for the new scenarios of access control on Web 2.0. Under this model, we discuss in this paper how to for...
ICWS
2008
IEEE
13 years 6 months ago
2008
IEEE
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...