— UML sequence diagrams focus on the interaction between different classes. For distributed real time transaction processing it is possible to end up with complex sequence diagra...
Over the last decade, the relevance of performance evaluation in the early stages of the software development life-cycle has been steadily rising. We honestly believe that the int...
We propose a formal real-time semantics for UML statecharts aimed at the requirements level. A requirements-level model assumes perfect technology and has a considerably simpler se...
The Object Constraint Language (OCL) plays an important role in the elaboration of precise UML models. Although OCL was designed to be both formal and simple, UML/OCL models may be...
Abstract. Formal grammars are well established for specifying the syntax of programming languages. However, the formal specification of programming language semantics has proven mo...