<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/CORONA_(satellite)> .
<http://caligraph.org/resource/Discoverer_28>	<http://caligraph.org/ontology/launchVehicle>	<http://caligraph.org/resource/Thor-Agena> .
<http://caligraph.org/resource/Discoverer_28>	<http://caligraph.org/ontology/operator>	<http://caligraph.org/resource/National_Reconnaissance_Office> .
<http://caligraph.org/resource/Discoverer_28>	<http://caligraph.org/ontology/nextMission>	<http://caligraph.org/resource/Discoverer_29> .
<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Satellite_launch_failures> .
<http://caligraph.org/resource/Discoverer_28>	<http://caligraph.org/ontology/launchDate>	"1961-08-04" .
<http://caligraph.org/resource/Discoverer_28>	<http://caligraph.org/ontology/manufacturer>	<http://caligraph.org/resource/Lockheed_Corporation> .
<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/2000/01/rdf-schema#label>	"Discoverer 28" .
<http://caligraph.org/resource/Discoverer_28>	<http://caligraph.org/ontology/previousMission>	<http://caligraph.org/resource/Discoverer_27> .
<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Discoverer 28" .
<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Satellite_launch_failure> .
<http://caligraph.org/resource/Discoverer_28>	<http://caligraph.org/ontology/operator>	<http://caligraph.org/resource/United_States_Air_Force> .
<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Discoverer_28> .
<http://caligraph.org/resource/Discoverer_28>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Corona 9021" .