Affiliations: Dipartimento di Scienze dell'Informazione, Università di Bologna, Bologna, Italy. busi@cs.unibo.it | Dipartimento di Matematica, Università di Siena, Siena, Italy. pinna@mat.unisi.it
Note: [] Address for correspondence: Dipartimento di Scienze dell'Informazione, Mura Anteo Zamboni 7, 40127 Bologna, Italy
Note: [] Address for correspondence: Dipartimento di Matematica, Via del Capitano 15, 53100 Siena, Italy
Abstract: In this paper we introduce a truly concurrent semantics for P/T nets with inhibitor and read arcs, called henceforth Contextual P/T nets. The semantics is based on a proper extension of the notion of process to cope with read and inhibitor arcs: we show that most of the properties enjoined by the classical process semantics for P/T nets continue to hold and we substantiate the adequateness of our notion by comparing it with the step semantics.
Keywords: Contextual Nets, Step Semantics, Process Semantics
