A symbolic semantics for Full LOTOS in terms of symbolic transition systems is defined; the semantics extends the (infinitely branching) standard semantics by giving meaning to da...
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...
We propose a novel approach to facilitate the concurrent development of ontologies by different groups of experts. Our approach adapts Concurrent Versioning, a successful paradigm...
In this paper, we propose to extend Peer-to-Peer Semantic Wikis with personal semantic annotations. Semantic Wikis are one of the most successful Semantic Web applications. In sema...
This paper considers the composition of tuples from two relations in order to derive additional tuples of one of these relations. Our purpose is to determine when the composition i...