Ontology

Definition of Ontology

On`tol´o`gy
n.1.That department of the science of metaphysics which investigates and explains the nature and essential properties and relations of all beings, as such, or the principles and causes of being.
2.(Computers) A systematic arrangement of all of the important categories of objects or concepts which exist in some field of discourse, showing the relations between them. When complete, an ontology is a categorization of all of the concepts in some field of knowledge, including the objects and all of the properties, relations, and functions needed to define the objects and specify their actions. A simplified ontology may contain only a hierarchical classification (a taxonomy) showing the type subsumption relations between concepts in the field of discourse. An ontology may be visualized as an abstract graph with nodes and labeled arcs representing the objects and relations.

Related Words

aesthetics, axiology, casuistry, cosmology, epistemology, ethics, existentialism, first philosophy, gnosiology, logic, mental philosophy, metaphysics, moral philosophy, phenomenology, philosophastry, philosophic doctrine, philosophic system, philosophic theory, philosophical inquiry, philosophical speculation, philosophy, school of philosophy, school of thought, science of being, sophistry, theory of beauty, theory of knowledge, value theory
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