We study the semantics and refinement of mobile objects, considering an extension of core UML state machines by primitives that designate the location of objects and their moves wi...
In this paper, both a UML model of requirement and a UML model of a design are defined as a pair of class diagram and a family of sequence diagrams. We then give an unified semant...
ORM (Object-Role Modeling) is a rich and well-known conceptual modeling method. As ORM has a formal semantics, reasoning tasks such as satisfiability checking of an ORM schema natu...
Input-output conformance test theory for discrete systems has established itself in research and industry already. A couple of years ago also input-output conformance test theories...
Animation tools haveproven to be effective asa means of visualising formal specijcations. Specijcations that might otherwise be impenetrable can be communicated to a wide range of...