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Deductive object bases attempt to combine the advantages of deductive rela-tional databases with those of object-oriented models. We review modeling and optimization issues encountered during the development of ConceptBase, a prototype deductive object base supporting the Telos data model. We also report on a number of application experiences in the eld of(More)
ConceptBase is a multiuser deductive object manager intended for conceptual modeling, meta modeling, and coordination in design environments. The system implements O-Telos, a dialect of Telos integrating properties of deductive and object-oriented languages. It uniformly represents all information regardless of its abstraction level (data, class, meta(More)
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