<http://caligraph.org/ontology/Railway_and_tube_station_serving_Heathrow_Airport>	<http://www.w3.org/2000/01/rdf-schema#label>	"Railway and tube station serving Heathrow Airport" .
<http://caligraph.org/ontology/Railway_station_served_by_Heathrow_Express>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Railway_and_tube_station_serving_Heathrow_Airport> .
<http://caligraph.org/ontology/Railway_and_tube_station_serving_Heathrow_Airport>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Building_or_structure_at_Heathrow_Airport> .
<http://caligraph.org/ontology/Railway_and_tube_station_serving_Heathrow_Airport>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Railway_and_tube_stations_serving_Heathrow_Airport> .
<http://caligraph.org/ontology/Railway_and_tube_station_serving_Heathrow_Airport>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Railway_and_tube_station_serving_Heathrow_Airport>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Airport_railway_station_in_the_United_Kingdom> .