<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Optical materials"@en .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/2004/02/skos/core#broader>	<http://dbpedia.org/resource/Category:Materials> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://dbpedia.org/property/wikiPageUsesTemplate>	<http://dbpedia.org/resource/Template:Commons_category> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2004/02/skos/core#Concept> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/2004/02/skos/core#broader>	<http://dbpedia.org/resource/Category:Optics> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/2004/02/skos/core#closeMatch>	<http://www.springernature.com/scigraph/things/subjects/materials-for-optics> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/2000/01/rdf-schema#label>	"Optical materials"@en .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/2004/02/skos/core#broader>	<http://dbpedia.org/resource/Category:Transparent_materials> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Optical_materials?oldid=975672648&ns=14> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://dbpedia.org/ontology/wikiPageID>	"3243596"^^<http://www.w3.org/2001/XMLSchema#integer> .
<http://dbpedia.org/resource/Category:Optical_materials>	<http://dbpedia.org/ontology/wikiPageRevisionID>	"975672648"^^<http://www.w3.org/2001/XMLSchema#integer> .