A structure of concepts or entities within a domain, organized by relationships; a system model.
A logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939).
The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.
The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
In a subject view, or a world view, the set of conceptual or material things or classes of things that are recognised as existing, or are assumed to exist in context, and their interrelations; in a body of theory, the ontology comprises the domain of discourse, the things that are defined as existing, together with whatever emerges from their mutual implications.
The overall form or organization of something.
The underlying shape of a solid.
Underwater terrain or objects (such as a dead tree or a submerged car) that tend to attract fish
A body, such as a political party, with a cohesive purpose or outlook.
A cohesive whole built up of distinct parts.
A set along with a collection of finitary functions and relations.
Several pieces of data treated as a unit.
A set of rules defining behaviour.
To give structure to; to arrange.