<http://caligraph.org/ontology/Vietnam_War_prisoner_of_war>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Vietnam_War_prisoner_of_war>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Vietnam_War_prisoners_of_war> .
<http://caligraph.org/ontology/Vietnam_War_prisoner_of_war>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Prisoner_of_war_held_by_Vietnam> .
<http://caligraph.org/ontology/Vietnam_War_prisoner_of_war>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_prisoner_of_war> .
<http://caligraph.org/ontology/Vietnam_War_prisoner_of_war>	<http://www.w3.org/2000/01/rdf-schema#label>	"Vietnam War prisoner of war" .