Definition of ontology

Definition of ontology
  1. ontology Noun The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being "qua" being.
  2. ontology Noun The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.
  3. ontology Noun A logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939).
  4. ontology Noun A structure of concepts or entity within a domain, organized by relationships; a system model.
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