| 21. | Graphically, places in a Petri net may contain a discrete number of marks called " tokens ".
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| 22. | In this respect, " M " extends the concept of configuration for elementary nets to Petri nets.
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| 23. | Its main purpose is to automate modelling operations on Petri nets such as merging, creating, and connecting nodes.
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| 24. | In recent years a number of attempts have shown that Petri nets can contribute to the development of business process integration.
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| 25. | CPN preserve useful properties of Petri nets and at the same time extend initial formalism to allow the distinction between tokens.
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| 26. | The event segments are used to define Timed Event Systems such as DEVS, timed automata, and timed petri nets.
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| 27. | His early research is characterised by work on topological automata and systems, decision problems and structural properties of Petri nets.
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| 28. | Petri nets therefore can be used to model certain business processes with corresponding state and transitions or activities with in and outputs.
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| 29. | "' CPN-AMI "'is a computer-aided software engineering environment based on Petri Net specifications.
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| 30. | "' PetriScript "'is a modelling language for Petri nets, designed by Alexandre Hamez and Xavier Renault.
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