Defining Aircraft and its Instances
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xml:base="http://www.nato.org/aircraft#">
<rdfs:Class rdf:ID="Aircraft"/>
<rdfs:Class rdf:ID="F16"/>
<rdf:Property rdf:ID="wingspan">
<rdfs:domain rdf:resource="#Aircraft"/>
<rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>
<rdf:Property rdf:ID="deployedAt">
<rdfs:domain rdf:resource="#F16"/>
<rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Literal"/>