Relation aktp#relation_about_technology (?,?)
  subtype:  aktp#technology-builds-on  aktp#supports-method  aktp#method-builds-on  aktp#has-status  aktp#supports-language  aktp#runs-on-operating-system  aktp#requires-hardware-platform  aktp#requires-software-technology
  supertype:  aktp#relation (?,?)
     supertype:  pm#relation_coming_from_an_ontology (*)
        supertype:  pm#relation_for_an_application (*)  relation introduced by an application
           supertype:  pm#relation_playing_a_special_role (*)  this type permits to categorize relations according to their roles ; this is a traditional but quite subjective way of categorizing relations
              supertype:  pm#relation__related_thing__relatedthing___related_with (*)  type for any relation (unary, binary, ..., *-ary) and instance of pm#relation_type


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