<http://caligraph.org/ontology/1980_in_heavy_metal_music>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_stylisticOrigin_Heavy%20metal%20music> .
<http://caligraph.org/ontology/RestrictionHasValue_stylisticOrigin_Heavy%20metal%20music>	<http://www.w3.org/2002/07/owl#onProperty>	<http://caligraph.org/ontology/stylisticOrigin> .
<http://caligraph.org/ontology/RestrictionHasValue_stylisticOrigin_Heavy%20metal%20music>	<http://www.w3.org/2002/07/owl#hasValue>	<http://caligraph.org/resource/Heavy_metal_music> .
<http://caligraph.org/ontology/RestrictionHasValue_stylisticOrigin_Heavy%20metal%20music>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
<http://caligraph.org/ontology/Heavy_metal_genre>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_stylisticOrigin_Heavy%20metal%20music> .
<http://caligraph.org/ontology/RestrictionHasValue_stylisticOrigin_Heavy%20metal%20music>	<http://www.w3.org/2000/01/rdf-schema#label>	"Restriction onProperty=stylisticOrigin hasValue=Heavy metal music" .