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WSMO Ontologies – Concepts
Concepts constitute the basic elements of the agreed terminology for some problem domain
From a high-level perspective, a concept – described by a concept definition – provides attributes with names and types
A concept can be a subconcept of several (possibly none) direct superconcepts as specified by the isA-relation
Class concept sub-Class wsmoElement hasSuperConcept type concept hasAttribute type attribute hasDefinition type logicalExpression multiplicity = single-valued Class attribute sub-Class wsmoElement
hasRange type concept multiplicity = single-valued
Example: The concept “Border” defines the border between two countries. It is a subclass of a more general concept “GeographicLocation”. It has two attributes countryA and countryB whose ranges are instances of concept “Country”