Definitions for ontologyɒnˈtɒl ə dʒi

This page provides all possible meanings and translations of the word ontology

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. ontology(noun)

    (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations

  2. ontology(noun)

    the metaphysical study of the nature of being and existence

GCIDERate this definition:(0.00 / 0 votes)

  1. Ontology(n.)

    (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. The concepts included in an ontology and the hierarchical ordering will be to a certain extent arbitrary, depending upon the purpose for which the ontology is created. This arises from the fact that objects are of varying importance for different purposes, and different properties of objects may be chosen as the criteria by which objects are classified. In addition, different degrees of aggregation of concepts may be used, and distinctions of importance for one purpose may be of no concern for a different purpose.

  2. Origin: [Gr. the things which exist (pl.neut. of , , being, p. pr. of to be) + -logy: cf. F. ontologie.]

WiktionaryRate this definition:(0.00 / 0 votes)

  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 entities within a domain, organized by relationships; a system model.

  5. Origin: Originally ontologia (1606, Ogdoas Scholastica, by (Lorhardus)), from ὤν, present participle of εἰμί + λόγος.

FreebaseRate this definition:(0.00 / 0 votes)

  1. Ontology

    Ontology is the philosophical study of the nature of being, becoming, existence, or reality, as well as the basic categories of being and their relations. Traditionally listed as a part of the major branch of philosophy known as metaphysics, ontology deals with questions concerning what entities exist or can be said to exist, and how such entities can be grouped, related within a hierarchy, and subdivided according to similarities and differences.

The Nuttall EncyclopediaRate this definition:(0.00 / 0 votes)

  1. Ontology

    another name for metaphysics (q. v.) or the science of pure being, being at its living source in spirit or God, or Nature viewed as divine, especially as the ground of the spiritual in man and giving substantive being to him.


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