An executable computational logic can provide the desired bridge between formal system properties and formal methods to verify them on the one hand, and executable models of syste...
We propose a framework that supports a federated environment based on a Mediator Architecture in the Semantic Web. The Mediator supports mappings between the OWL Ontology of the Me...
This paper proposes a collaborative approach for personal task management which is modeled as an alliance model. Alliance model is based on information sharing and collaboration o...
In this paper we propose a formalization of access control policies based on term rewriting. The state of the system to which policies are enforced is represented as an algebraic ...
We present a risk management framework which allows to reason about and manage risk for role based access control systems. The framework expresses essential characteristics of risk...