@prefix dbo:	<http://dbpedia.org/ontology/> .
@prefix dbr:	<http://dbpedia.org/resource/> .
<http://dbpedia.org/resource/Factory_(object-oriented_programming)>	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .
dbr:Object-oriented_programming	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .
<http://dbpedia.org/resource/Inheritance_(object-oriented_programming)>	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .
dbr:Tagged_union	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .
dbr:Is-a	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .
dbr:Parametric_polymorphism	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .
@prefix owl:	<http://www.w3.org/2002/07/owl#> .
dbr:Subtype_polymorphism	owl:sameAs	dbr:Subtype_polymorphism ;
	dbo:wikiPageWikiLink	dbr:Subtyping ;
	dbo:wikiPageRedirects	dbr:Subtyping .
<http://dbpedia.org/resource/Circle\u2013ellipse_problem>	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .
dbr:Downcasting	dbo:wikiPageWikiLink	dbr:Subtype_polymorphism .