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Petri net
(redirected from Coloured Petri net)

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Petri net [′pē·trē ‚net]
(communications)
An abstract, formal model of information flow, which is used as a graphical language for modeling systems with interacting concurrent components; in mathematical terms, a structure with four parts or components: a finite set of places, a finite set of transitions, an input function, and an output function.
(parallel, simulation)Petri net - A directed, bipartite graph in which nodes are either "places" (represented by circles) or "transitions" (represented by rectangles), invented by Carl Adam Petri. A Petri net is marked by placing "tokens" on places. When all the places with arcs to a transition (its input places) have a token, the transition "fires", removing a token from each input place and adding a token to each place pointed to by the transition (its output places).

Petri nets are used to model concurrent systems, particularly network protocols.

Variants on the basic idea include the coloured Petri Net, Time Petri Net, Timed Petri Net, Stochastic Petri Net, and Predicate Transition Net.

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Based on coloured Petri nets [39], a unique colour is assigned to each common subnet as colour labels of its ingoing and outgoing arcs.
A Petri-net approach to refining object behavioural specifications by Cheung, King-Sing; Chow, Paul Kai-On / Informatica
 
 
 
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