<http://caligraph.org/ontology/American_folk_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://www.w3.org/2002/07/owl#Thing> .
<http://caligraph.org/ontology/American_folk-pop_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_folk_singer> .
<http://caligraph.org/ontology/American_folk_singer>	<http://www.w3.org/2000/01/rdf-schema#label>	"American folk singer" .
<http://caligraph.org/ontology/American_folk_singer>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/American_folk_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_genre_Folk%20music> .
<http://caligraph.org/ontology/American_folk_singer>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:American_folk_singers> .