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  1. Ontology - Wikipedia

    Ontology is the philosophical study of being. It is traditionally understood as the subdiscipline of metaphysics focused on the most general features of reality. As one of the most fundamental …

  2. Ontology and Information Systems - Stanford Encyclopedia of …

    Jan 3, 2026 · Ontology (in information systems) is the field that attempts to create shared meanings of symbols. Different practitioners in the field may decide to create different lists of symbols with …

  3. Ontology | Definition, History & Examples | Britannica

    ontology, the philosophical study of being in general, or of what applies neutrally to everything that is real. It was called “first philosophy” by Aristotle in Book IV of his Metaphysics.

  4. What is Ontology? – National Center for Ontological Research

    What is Ontology? Contemporary ontology is a partnership of multiple disciplines. On the one hand ontological research involves philosophers who are concerned to describe broad categories of …

  5. What is Ontology? | The Ontology Research & Development Network

    What is Ontology? Ontology is the philosophical study of being, existence, and reality. In information science, an ontology is a formal representation of knowledge as a set of concepts within a domain …

  6. Exploring Ontology: A Comprehensive Overview - Philosophos

    Dec 17, 2025 · Ontology is a branch of philosophy that deals with the nature of being and the relationship of entities to one another. It is also closely related to metaphysics, as it seeks to …

  7. ontology - Wiktionary, the free dictionary

    Dec 25, 2025 · In the field of philosophy there is some variation in how the term ontology is used. Ontology is a much more recent term than metaphysics and takes its root meaning explicitly from the …

  8. ONTOLOGY Definition & Meaning - Merriam-Webster

    Aug 5, 2012 · The meaning of ONTOLOGY is a branch of metaphysics concerned with the nature and relations of being. How to use ontology in a sentence.

  9. Ontology: The Study of Existence, Structure, and Meaning Across …

    Ontology, a fundamental branch of philosophy and information science, explores the nature of existence, reality, and the categorization of entities across various domains.

  10. Ontology - New World Encyclopedia

    Ontology is a major branch of philosophy and a central part of metaphysics that studies questions of being or existence.