<http://caligraph.org/ontology/Tube_station_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_operator_London%20Underground> .
<http://caligraph.org/ontology/Tube_station_in_Hertfordshire>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Tube_stations_in_Hertfordshire> .
<http://caligraph.org/ontology/Tube_station_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/London_Underground_station> .
<http://caligraph.org/ontology/Tube_station_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Railway_station_in_Hertfordshire> .
<http://caligraph.org/ontology/Tube_station_in_Hertfordshire>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Tube_station_in_Hertfordshire>	<http://www.w3.org/2000/01/rdf-schema#label>	"Tube station in Hertfordshire" .