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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”


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