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Top-Down Enterprise Application Integration with Reference Models

Willem-Jan van den Heuvel    
Wilhelm Hasselbring    
Mike Papazoglou    

Resumen

For Enterprise Resource Planning (ERP) systems such as SAP R/3 or IBM SanFrancisco, the tailoring of reference models for customizing the ERP systems to specific organizational contexts is an established approach. In this paper, we present a methodology that uses such reference models as a starting point for a top-down integration of enterprise applications. The re-engineered models of legacy systems are individually linked via cross-mapping specifications to the forward-engineered reference model's specification. The actual linking of reference and legacy models is done with a methodology for connecting (new) business objects with (old) legacy systems.

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