An annotated bibliography on object-orientation and deduction
ACM SIGMOD Record
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An algebraic formalization of the object-orlented data model is proposed. The formalism reveals that the semantics of the object-oriented model consists of two portions. One is expressed by an algebraic construct, which has essentially a value-oriented semantics. The other is expressed by object-identities, which characterize the essential difference of the object-oriented model and value-oriented models, such as the relational model and the logical database model. These two portions are integrated by a simple commutativity of modeling functions. The formalism includes the expression of integrity constraints in its construct, which provides the natural integration of the logical database model and the object-oriented database model.