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Lecture Notes in Computer Science
Application integration requires the consideration of instance data and schema data. Instance data in one application may be schema data for another application, which gives rise to multiple instantiation levels. Using deep instantiation, an object may be deeply characterized by representing schema data about objects several instantiation levels below. Deep instantiation still demands a clear separation of instantiation levels: the source and target objects of a relationship must be at the samedoi:10.1007/978-3-319-07881-6_34 fatcat:izjl2ggfcradret5s7vczlmjk4