<http://caligraph.org/ontology/Sculpture_material>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Visual_arts_material> .
<http://caligraph.org/ontology/Coloring_book>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Visual_arts_material> .
<http://caligraph.org/ontology/Visual_arts_material>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Artificial_material> .
<http://caligraph.org/ontology/Visual_arts_material>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Conservation_and_restoration_material> .
<http://caligraph.org/ontology/Ceramic_material>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Visual_arts_material> .
<http://caligraph.org/ontology/Visual_arts_material>	<http://www.w3.org/2000/01/rdf-schema#label>	"Visual arts material" .
<http://caligraph.org/ontology/Color>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Visual_arts_material> .
<http://caligraph.org/ontology/Adhesive>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Visual_arts_material> .
<http://caligraph.org/ontology/Visual_arts_material>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Visual_arts_materials> .
<http://caligraph.org/ontology/Painting_material>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Visual_arts_material> .
<http://caligraph.org/ontology/Visual_arts_material>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Woodworking_material>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Visual_arts_material> .