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 ...

Use customizable shapes to craft UML diagrams that visually represent software architecture, business processes, and other complex systems.

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 ...

We present the results of two controlled experiments to compare ER and UML class diagrams, in order to find out which of the models provides better support during the comprehension of data models. The ...