In computer science and information science, an ontology is a formal naming and definition of the types, properties, and interrelationships of the entities that really or fundamentally exist for a particular domain of discourse. It is thus a practical application of philosophical ontology, with a taxonomy.
An ontology for the scholarly publishing domain, used by nature.com
An ontology aimed at the formal representation of humanities citation structures.
An ontology describing the domain of sculpture
A domain ontology describing the Middle Ages
An ontology for World War I based on CIDOC-CRM
An ontology for the philosophical domain.
A lightweight ontology that models the argumentative relations between ideas at a high level of abstraction.