In this paper, we present the formal semantics of sequence diagrams. The semantics of a sequence diagram is interpreted as a consecutive execution of steps in UTP. The semantics clearly captures the ...

This paper presents a software tool for the automatic visualization of the UML activity diagram representing a business process model. The implemented tool takes the XMI-based representation of a ...

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Existing UML and Database diagrams can be opened in the new Visio, but they are effectively frozen for editing since the previous feature set has been removed. The behavior of existing diagrams is ...