Abstract. RDF may be considered as an application of XML intended to interoperably exchange semantics between Web applications. In its current form, this objective may be hard to r...
A composition language based on a formal semantic foundation will facilitate precification of glue abstractions and compositions, and will support reasoning about their behaviour....
—Role-based Access Control (RBAC) is one of the most widespread security mechanisms in use today. Given the growing complexity of policy languages and access control systems, ver...
The first step in finding an efficient way to solve any difficult problem is making a complete, possibly formal, problem specification. This paper introduces a formal specifica...
Marko Smiljanic, Maurice van Keulen, Willem Jonker
We define a formal execution semantics for UML activity diagrams that is appropriate for workflow modelling. Our semantics is aimed at the requirements level by assuming that sof...