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On the Applicability of Schema Integration Techniques to Database Interoperation

On the Applicability of Schema Integration Techniques to Database Interoperation,10.1007/BFb0019923,Mark W. W. Vermeer,Peter M. G. Apers

On the Applicability of Schema Integration Techniques to Database Interoperation   (Citations: 17)
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We discuss the applicability of schema integration techniques developed for tightly-coupled database interoperation to interoperation of databases stemming from different modelling contexts. We illustrate that in such an environment, it is typically quite difficult to infer the real-world semantics of remote classes from their definition in remote databases. However, defining relationships between the real-world se- mantics of schema elements is essential in existing schema integration techniques. We propose to base database interoperation in such environ- ments on instance-level semantic relationships, to be defined using what we call object comparison rules. Both the local and the remote classifi- cations of the appropriately merged instances are maintained, allowing for the derivation of a global class hierarchy if desired.
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