Abstract
The core structure of a metadatabase system for information integration in heterogeneous and distributed environments, the global information resources dictionary (GIRD) model for unified metadata representation and management (both data and knowledge), is discussed. Overviews of metadatabase systems and the two-stage entity relationship (TSER) representation method are presented. To illustrate some major properties of the metadatabase model, and to show how the GIRD elements fit together to deliver these properties, manufacturing information management examples are given. The GIRD and the information resources dictionary system (IRDS) standard are compared.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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