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The Computer Journal 1987 30(1):16-19; doi:10.1093/comjnl/30.1.16
© 1987 by British Computer Society
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An Extension in the Definition of a Petri Net Execution

R. H. Gallard *

Facultad de Ciencias Fisico, Matematicas Y Naturales, Universidad Nacional de San Luis, Chacabuco Y Pedernera 5700, San Luis, Republic Argentina

In the present work an extension in the definition of a Petri Net execution is given in order to eliminate the limitations of these nets in the modelling of real systems, when one wishes to answer to questions beyond a ‘yes’or a ‘no’, in analysing the acceptable behaviour of a modelled system.

The greater content of information in the answers of the model is achieved by allowing the user to enter information about the knowledge he has on some characteristics of system requirements, before the execution of the net.

Therefore, the introduction of an Execution Probability Vector for enabled events, as an extra component in each node of the Reachability Tree and the aid of Montecarlo techniques, is necessary.

Received February 1985.

* Address for correspondence: Infosystems SRL, Colon 730 (ler piso), 5700-San Luis, Argentina.

§ Facultad de Ciencias Fisico, Matematicas Y Naturales, Universidad Nacional de San Luis, Chacabuco Y Pedernera 5700 – San Luis, Republic Argentina


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