<http://caligraph.org/ontology/Retractable-roof_stadium>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Retractable-roof_stadiums> .
<http://caligraph.org/ontology/Retractable-roof_stadium>	<http://www.w3.org/2000/01/rdf-schema#label>	"Retractable-roof stadium" .
<http://caligraph.org/ontology/Retractable-roof_stadium>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Retractable-roof_stadium_in_Japan>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Retractable-roof_stadium> .
<http://caligraph.org/ontology/Retractable-roof_stadium_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Retractable-roof_stadium> .
<http://caligraph.org/ontology/Retractable-roof_stadium_in_Australia>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Retractable-roof_stadium> .
<http://caligraph.org/ontology/Retractable-roof_stadium>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Covered_stadium> .
<http://caligraph.org/ontology/Retractable-roof_stadium_in_Europe>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Retractable-roof_stadium> .
<http://caligraph.org/ontology/Defunct_retractable-roof_stadium>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Retractable-roof_stadium> .