The object-oriented paradigm describes a powerful systemwhere complex systems can be modelled by a network of communicating objects. The object model is powerful because it appeals to our understanding of the world, yet it has serious shortcomings where the model doesn’t match our expectations. In particular, relationships are completely ignored by most object-oriented programming languages. Pr...

Abstract Object-Oriented Ontology (OOO) is a contemporary form of realism concerned with the investigation “objects” broadly construed. It may be characterised in terms metaphysical pluralism to extent that it recognises infinitely many different kinds emergent entities, and this fact turn leads number questions concerning nature objects emergence OOO: what precise meaning an entity OOO? How ha...

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An object-oriented database model can support features such as abstract data types, methods , encapsulation, subtyping (or inheritance), complex structures, and object identity. The processing of queries in such a model also entails support for these features. Query optimization will require new techniques for supporting the object-oriented features. Although many of the problems that must be s...