In: Fundamenta Informaticae, Vol. 40, No. 2-3, pages 165-197. 1999.
Abstract: In this article a truly concurrent semantics for P/T nets with inhibitor and read arcs, called henceforth contextual P/T nets, is introduced. The semantics is based on a proper extension of the notion of process to cope with read and inhibitor arcs: it is shown that most of the properties enjoined by the classical process semantics for P/T nets continue to hold. The adequateness of the notion is substantiated by comparing it with the step semantics.
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