<http://caligraph.org/ontology/Railroad_in_the_Chicago_metropolitan_area>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Railroads_in_the_Chicago_metropolitan_area> .
<http://caligraph.org/ontology/Railroad_in_the_Chicago_metropolitan_area>	<http://www.w3.org/2000/01/rdf-schema#label>	"Railroad in the Chicago metropolitan area" .
<http://caligraph.org/ontology/Railroad_in_the_Chicago_metropolitan_area>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Illinois_railroad> .
<http://caligraph.org/ontology/Railroad_in_the_Chicago_metropolitan_area>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Public_transit_system> .
<http://caligraph.org/ontology/Railroad_in_the_Chicago_metropolitan_area>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .