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RDF Schemas
Properties (cont.)


  • Properties are also resources…
  • So properties of properties can be expressed as… RDF properties ;-)
    • this twists your mind a bit, but you will get used to it
  • So properties of properties can be expressed as…
  • …RDF properties w
    • this twists your mind a bit, but you will get used to it
  • For example:
    • (P rdfs:range C) means:
      1. P is a property
      2. C is a class instance
      3. when using P, the “object” must be an individual in C
    • this is an RDF statement with subject P, object C and property rdfs:range
    • this is an RDF statement with subject P, object C
    • and property rdfs:range

Ivan Herman, W3C 57 (134)