<http://caligraph.org/ontology/Ship_built_by_the_Sun_Shipbuilding_&_Drydock_Company>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania> .
<http://caligraph.org/ontology/Ship_built_by_Reaney,_Son_&_Archbold>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania> .
<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania>	<http://www.w3.org/2000/01/rdf-schema#label>	"Ship built in Chester, Pennsylvania" .
<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ship_built_in_Pennsylvania> .
<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Ships_built_in_Chester,_Pennsylvania> .
<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_builder_Chester,%20Pennsylvania> .
<http://caligraph.org/ontology/Ship_built_by_the_Delaware_River_Iron_Ship_Building_and_Engine_Works>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania> .
<http://caligraph.org/ontology/Ship_built_in_Chester,_Pennsylvania>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .