Distinct subjects for predicate rdfs:subClassOf in graph nrl sorted by frequency

Resource	Count
nrl:KnowledgeBase	2
nrl:AsymmetricProperty	1
nrl:Configuration	1
nrl:Data	1
nrl:DiscardableInstanceBase	1
nrl:DocumentGraph	1
nrl:ExternalViewSpecification	1
nrl:FunctionalProperty	1
nrl:Graph	1
nrl:GraphMetadata	1
nrl:GraphView	1
nrl:InstanceBase	1
nrl:InverseFunctionalProperty	1
nrl:Ontology	1
nrl:ReflexiveProperty	1
nrl:RuleViewSpecification	1
nrl:Schema	1
nrl:Semantics	1
nrl:SymmetricProperty	1
nrl:TransitiveProperty	1
nrl:ViewSpecification	1
nrl:DefiningProperty	1
nrl:NonDefiningProperty	1