<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_military_aircraft_of_the_United_States> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/VTOL_aircraft> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/2004/02/skos/core#altLabel>	"VZ-4 Convertiplane" .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Lycoming_T53> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Doak VZ-4" .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Experimental_aircraft> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1950_United_States_experimental_aircraft> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/2000/01/rdf-schema#label>	"Doak VZ-4" .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_NASA_aircraft> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Doak 16/VZ-4DA" .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1950s_United_States_experimental_aircraft> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/NASA_aircraft> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://caligraph.org/ontology/numberBuilt>	"1" .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_experimental_aircraft> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://caligraph.org/ontology/origin>	<http://caligraph.org/resource/United_States> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Doak_VZ-4> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_aircraft_(Df-Dz)> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Military_aircraft_of_the_United_States> .
<http://caligraph.org/resource/Doak_VZ-4>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_VTOL_aircraft> .