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In an integrated automation system a well-designed data model and computation model are required. For the engineering of such a system one often faces a challenge of finding the suitable computation elements defined in the computation model for the data defined in the data model, especially when the data model and the computation model are complex. In this(More)
  • Zaijun Hu
  • Web, Web-Services, and Database Systems
  • 2002
Supplying integrated data model with multiple structures for addressing diverse requirements from different production lifecycles and control levels is the natural development of automation systems. Data processing, presentation and manipulation require well-designed computation model that consists of interrelated groups of function components or(More)