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SpanTools is an application developed in order to offer some functionalities to define and check systems, represented as networks of components with states and transitions.

More specifically the program evaluates expressions in Cospan(Monoidal Graph), calculating the monoidal graph related to the given expression.

Single components, elements of evaluated expressions, are represented by arrows in Span(Graph), so they are automata with states and transitions equipped with communications interfaces.

Functionalities offered by the program are:
Calculation of monoidal graph related to given expressions in Span(Graph).
Generation of diagrams representing graph and monoidal graph
Generation of a random path (example of execution) finding elements in the limit of monoidal graph calculated from expression

Program require that GraphViz tool was installed (available from

spanTool Web Site


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