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Integration of Information Systems Using an Object-Oriented Approach

With ever-increasing amounts of information being stored on computers, there is a growing demand for systems that will support convenient access to information that is distributed over multiple information systems. In this paper we describe a system called KOPERNIK * , which uses an object-oriented approach to define partly integrated views of a collection of autonomous information bases. These views, as well as multi-information-base queries, are described using a language-independent meta-model