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Fig. 3 | BMC Bioinformatics

Fig. 3

From: From the desktop to the grid: scalable bioinformatics via workflow conversion

Fig. 3

A workflow as represented by a Petri net. Petri net modelling a software pipeline to protonate a molecule found in a single input file. Places are shown as circles, transitions are depicted as squares. The place P 0 expects and contains one token, represented by a black dot, and is thus enabled. It follows that P 0 is the starting place and P 4 represents the end of the process

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