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Ontology Specification

  • Non functional properties author, date, ID, etc. 
  • Imported Ontologies importing existing ontologies where no heterogeneities arise 
  • Used mediators OO Mediators (ontology import with terminology mismatch handling)
  • Ontology Elements:
    Concepts set of entities that exists in the world / domain 
    Attributes set of attributes that belong to a concept
    Relations define interrelations between several concepts
    Functions special type of relation (unary range = return value) 
    Instances set of instances that belong to the represented ontology
    Axioms axiomatic expressions in ontology (logical statement) 

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