The PolicyUpdater1 system is a generic access control system that provides policy evaluations and dynamic policy updates. These functions are achieved by the use of a logic-based ...
Network Access Control requirements are typically implemented in practice as a series of heterogeneous security-mechanism-centric policies that span system services and application...
The extensible access control markup language (XACML) is the standard access control policy specification language of the World Wide Web. XACML does not provide exclusive accesse...
Purpose – This paper seeks to investigate how the concept of a trust level is used in the access control policy of a web services provider in conjunction with the attributes of ...
—We propose an access control model that extends RBAC (Role-Based Access Control) to take time and location into account, and use term rewriting systems to specify access control...