In: Proc. 22-nd Annual Int. Computer Software and Applications Conf. (COMPSAC-98), 19-21 August 1998, Vienna, Austria, pages 164-169. 1998.
Abstract: In this paper, a set of useful refinement rules on hierarchical predicate/transition nets (HPrTNs) is presented. These rules help a user to develop a large HPrTN in a stepwise approach, supporting both top-down and bottom-up development styles. Furthermore, it is shown that these rules either preserve or facilitate the verification of many system behavioral properties. Another nice feature of these rules is that their applications always result in a valid partial view and an extended and integrated definition of the original HPrTN. Related work on refinement techniques based on Petri nets and other specification methods are also described.
Keywords: net abstractions, net refinements, net transformations, predicate/transition nets.
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