Access control systems are widely used means for the protection of computing systems.
They are defined in terms of access control policies regulating the access to system …

We study the international standard XACML 3.0 for describing security access control
policies in a compositional way. Our main contributions are (i) to derive a logic that precisely …

One of the primary challenges to apply the XACML access control policy language in
applications is the performance problem of policy evaluation engines, particularly when they …

Building information models have created a paradigm shift in how buildings are built and
managed by providing a dynamic repository for building data that is useful in many new …

UML is considered as the top popular software modelling language among practitioners.
Expectedly, UML has been extended by many other languages, which tailor UML for …

Access control systems represent a security mechanism to regulate the access to system
resources, and XACML is the standard language for specifying, storing and deploying …

The extensive cloud adoption among the European Public Sector Players empowered them
to own and operate a range of cloud infrastructures. These deployments vary both in the size …

One of the primary challenges to apply the access control policy language XACML is the
performance problem of the policy decision point (PDP), particularly when the PDP …

We introduce a UML-based notation for graphically modeling systems' security aspects in a
simple and intuitive way and a model-driven process that transforms graphical specifications …

In recent years, XACML (eXtensible Access Control Markup Language) has been widely
used in the development of various applications, especially Web services. The evaluation …