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Development of CIM systems requires models for enterprise and information system modelling and analysis, and tools and methods for database design. M ∗ methodology addresses these issues. In the paper, the new integrated high-level model of M ∗ , based on high-level Petri-nets, for modelling engineering and manufacturing information systems is introduced. It allows description of an organization at two different levels (organization and conceptual) and, most importantly, description of, in an integrated way, both the organization behaviour and the manipulation actions on the database which support the information system activies. Moreover, the conceptual specification is executable. |
