<http://caligraph.org/ontology/American_pop_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_rock_singer> .
<http://caligraph.org/ontology/American_rock_singer>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:American_rock_singers> .
<http://caligraph.org/ontology/American_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_instrument_Singing> .
<http://caligraph.org/ontology/African-American_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_rock_singer> .
<http://caligraph.org/ontology/American_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_singer> .
<http://caligraph.org/ontology/American_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#label>	"American rock singer" .
<http://caligraph.org/ontology/American_heavy_metal_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_rock_singer> .
<http://caligraph.org/ontology/Puerto_Rican_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_rock_singer> .
<http://caligraph.org/ontology/American_country_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_rock_singer> .
<http://caligraph.org/ontology/American_punk_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_rock_singer> .
<http://caligraph.org/ontology/American_women_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_rock_singer> .
<http://caligraph.org/ontology/American_rock_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_rock_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Rock_singer> .