<http://caligraph.org/ontology/British_U-class_submarine>	<http://www.w3.org/2000/01/rdf-schema#label>	"British U-class submarine" .
<http://caligraph.org/ontology/British_U-class_submarine_of_the_Free_French_Naval_Forces>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/British_U-class_submarine> .
<http://caligraph.org/ontology/British_U-class_submarine>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:British_U-class_submarines> .
<http://caligraph.org/ontology/British_U-class_submarine>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Submarine_of_the_Royal_Navy> .
<http://caligraph.org/ontology/British_U-class_submarine_of_the_Soviet_Navy>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/British_U-class_submarine> .
<http://caligraph.org/ontology/British_U-class_submarine_of_the_Hellenic_Navy>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/British_U-class_submarine> .
<http://caligraph.org/ontology/British_U-class_submarine>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/British_U-class_submarine_of_the_Royal_Netherlands_Navy>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/British_U-class_submarine> .
<http://caligraph.org/ontology/British_U-class_submarine>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/World_War_II_submarine_of_the_United_Kingdom> .
<http://caligraph.org/ontology/British_U-class_submarine_of_the_Royal_Norwegian_Navy>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/British_U-class_submarine> .
<http://caligraph.org/ontology/British_U-class_submarine_of_the_Polish_Navy>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/British_U-class_submarine> .
<http://caligraph.org/ontology/British_U-class_submarine_of_the_Royal_Danish_Navy>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/British_U-class_submarine> .