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A Metadata Integration Assistant Generator for Heterogeneous Distributed Databases


Young-Kwang Nam, Joseph A. Goguen, and Guilian Wang

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Abstract

This paper describes a metadata interchange approach for semi-automated integration of heterogeneous distributed databases. Our system prototype uses distributed metadata to generate a GUI tool for a meta-user (who does the metadata integration) to describe mappings between master and source databases by assigning index number and specifying conversion function names; the system uses Quilt as its XML query language. The queries for the local databases being transparent for users are generated, which is based on the metadata built semi-automatically. An experiment testing feasibility is reported in which 3 different publishers' databases are integrated.


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