<rdfs:Class rdf:ID="Class">
<rdfs:Class rdf:ID="Datatype">
<Class rdf:ID="Thing">
<Class rdf:ID="Nothing">
<rdfs:Class rdf:ID="Restriction">

<!-- Classes and Properties for different kinds of Property -->
<rdfs:Class rdf:ID="ObjectProperty">
<rdfs:Class rdf:ID="DatatypeProperty">
<rdfs:Class rdf:ID="TransitiveProperty">
<rdfs:Class rdf:ID="SymmetricProperty">
<rdfs:Class rdf:ID="FunctionalProperty">
<rdfs:Class rdf:ID="InverseFunctionalProperty">
<rdfs:Class rdf:ID="Ontology">
<rdfs:Class rdf:ID="Literal">
<rdfs:Class rdf:ID="Property">
