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Ontology - Wikipedia
Ontology (information science) - Wikipedia
Ontology: Explanation and Examples - Philosophy Terms
Ontology | Definition, History & Examples | Britannica
Logic and Ontology - Stanford Encyclopedia of Philosophy
Ontology Definition & Meaning - Merriam-Webster
What is an ontology and why we need it - Protégé
Ontology: Theory and History
Ontology - Encyclopedia.com
Ontology — Definition & Overview | SpringerLink