<http://caligraph.org/ontology/Safeguard-class_salvage_ship>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Safeguard-class_salvage_ships> .
<http://caligraph.org/ontology/Safeguard-class_salvage_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Rescue_and_salvage_ship_of_the_United_States_Navy> .
<http://caligraph.org/ontology/Safeguard-class_salvage_ship>	<http://www.w3.org/2000/01/rdf-schema#label>	"Safeguard-class salvage ship" .
<http://caligraph.org/ontology/Safeguard-class_salvage_ship>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Safeguard-class_salvage_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Auxiliary_ship_class_of_the_United_States_Navy> .