—Information systems are expected to satisfy increasingly ambitious requirements, while reducing time–to–market has become a primary objective. This trend has necessitated th...
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
Current developments show that tomorrow’s information systems and applications will no longer be based on monolithic architectures that encompass all the functionality. Rather, t...
To develop agent-based systems, one needs a methodology that supports the development process as common in other disciplines. In recent years, several such methodologies and model...
The methodology of aspect-oriented software engineering has been proposed to factor out concerns that are orthogonal to the core functionality of a system. In particular, this is a...