<http://caligraph.org/ontology/Airport_disestablished_in_2020>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Airports_disestablished_in_2020> .
<http://caligraph.org/ontology/Airport_disestablished_in_2020>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Defunct_airport> .
<http://caligraph.org/ontology/Airport_disestablished_in_2020>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Demolished_building_or_structure> .
<http://caligraph.org/ontology/Airport_disestablished_in_2020>	<http://www.w3.org/2000/01/rdf-schema#label>	"Airport disestablished in 2020" .
<http://caligraph.org/ontology/Airport_disestablished_in_2020>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .