RDF Schema Examples in XML

Defining classes:

  <rdf:RDF xml:lang="en"
     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
    <rdf:Description ID="MotorVehicle">
      <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
      <rdfs:subClassOf
        rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
    </rdf:Description>
    
    <rdf:Description ID="PassengerVehicle">
      <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
      <rdfs:subClassOf rdf:resource="#MotorVehicle"/>
    </rdf:Description>
    
    <rdf:Description ID="Truck">
      <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/>
      <rdfs:subClassOf rdf:resource="#MotorVehicle"/>
    </rdf:Description>