<http://caligraph.org/ontology/Volcano_of_Bermuda>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ridge_volcano> .
<http://caligraph.org/ontology/Ridge_volcano>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Volcano> .
<http://caligraph.org/ontology/Ridge_volcano>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Ridge_volcanoes> .
<http://caligraph.org/ontology/Ridge_volcano>	<http://www.w3.org/2000/01/rdf-schema#label>	"Ridge volcano" .
<http://caligraph.org/ontology/Ridge_volcano>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Volcano_of_Iceland>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ridge_volcano> .