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Metadatabase Modeling For Enterprise Information Integration


An underpinning of the notion of computer-integrated enterprises is information integration; that is, the integration of information resources and decision logic across the enterprise to achieve functional synergies. This concept requires certain basic extensions to two previously separate paradigms: information modeling and metadata management. In particular, both paradigms must consider not only data resources but also contextual knowledge in a unified way; furthermore, they have to converge as a single, integrated method rather than belonging to two distinct stages of a life cycle. Toward this end, a modeling system is developed based on the two-stage entity relationship (TSER) approach [3,4,5,7] and the metadatabase method [5,6,8]. This paper presents the metadatabese goals and the metadata modeling system, focusing on its basic concepts, design, and current implementation. In addition, the prototype environment of the metadatabase that this system creates is illustrated through some examples taken from a computer-integrated manufacturing case. Key Words: Metadatabase, data and knowledge management, heterogeneous databases, information modeling


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