Constraint diagrams are a diagrammatic notation which may be used to express logical constraints. They were designed to complement the Unified Modeling Language in the development ...
Abstract. We present a model of object-oriented and component-based refinement. For object-orientation, the model is class-based and refinement is about correct changes in the stru...
Emerging semantic web service description formalisms, such as OWL-S, allow for a definition of the semantic of services. Describing input and output types is not sufficient to dec...
Businesses increasingly provide and use services, applying formal (Web) services technology for the description, composition, and management of software as services. At the same t...
This paper2 details the stages of building a substantial, carefully specified, fully tested and fully operational university and school timetabling system. This is reported as a c...