123 search results - page 2 / 25 » D-algebra for composing access control policy decisions |
ICICS
2003
Springer
13 years 10 months ago
2003
Springer
This paper presents a policy-based framework for managing access control in distributed heterogeneous systems. This framework is based on the PDP/PEP approach. The PDP (Policy Deci...
POLICY
2005
Springer
13 years 10 months ago
2005
Springer
Modern dynamic distributed information systems need access control policies to address controlling access to multiple resources that are distributed. The s may be considered as a ...
ICFEM
2007
Springer
13 years 11 months ago
2007
Springer
We present a formal, tool-supported approach to the design and maintenance of access control policies expressed in the eXtensible Access Control Markup Language (XACML). Our aim is...
FASE
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Organizations use Role-Based Access Control (RBAC) to protect computer-based resources from unauthorized access. There has been considerable work on formally specifying R...
CCS
2007
ACM
13 years 11 months ago
2007
ACM
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...