<http://caligraph.org/ontology/Urban_ring_railway>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Urban_railway> .
<http://caligraph.org/ontology/Urban_railway>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Urban_railway>	<http://www.w3.org/2000/01/rdf-schema#label>	"Urban railway" .
<http://caligraph.org/ontology/Urban_railway>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Railway> .
<http://caligraph.org/ontology/Urban_railway>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Urban_railways> .