<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Biplanes> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Sikorsky_S-2> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_aircraft_(pre-1914)> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Biplane> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/United_States_Navy_aircraft_designation> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Sikorsky PS-2" .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://caligraph.org/ontology/origin>	<http://caligraph.org/resource/Russian_Empire> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/2004/02/skos/core#altLabel>	"S-2" .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Aircraft_(Si)> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://caligraph.org/ontology/numberBuilt>	"1" .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/2000/01/rdf-schema#label>	"Sikorsky S-2" .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Sikorsky S-XXVII" .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Igor_Sikorsky> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Sikorsky S-2" .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://caligraph.org/ontology/predecessor>	<http://caligraph.org/resource/Sikorsky_S-1> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://caligraph.org/ontology/designer>	<http://caligraph.org/resource/Igor_Sikorsky> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_aircraft_(Si)> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Anzani_3-cylinder_fan_engines> .
<http://caligraph.org/resource/Sikorsky_S-3>	<http://caligraph.org/ontology/predecessor>	<http://caligraph.org/resource/Sikorsky_S-2> .
<http://caligraph.org/resource/Sikorsky_S-2>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_United_States_Navy_aircraft_designations_(pre-1962)> .