Causality Semantics of Petri Nets with Weighted Inhibitor Arcs

  • Authors:
  • H. C. M. Kleijn;Maciej Koutny

  • Affiliations:
  • -;-

  • Venue:
  • CONCUR '02 Proceedings of the 13th International Conference on Concurrency Theory
  • Year:
  • 2002

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Abstract

A causality semantics for weighted Place/Transition nets with weighted inhibitor arcs (PTI-nets) is proposed, by extending the standard approach based on the process semantics given through net unfolding and occurrence nets. It is demonstrated how processes corresponding to step sequences of PTI-nets can be constructed, and a nonalgorithmic (axiomatic) characterisation is given of the processes that can be obtained in this way. Moreover, a framework is established allowing to separately consider behaviours, processes and causality, in order to facilitate the discussion of their mutual consistency for different Petri net classes.