<http://caligraph.org/ontology/Serbian_opera_singer>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Serbian_opera_singer>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Serbian_opera_singers> .
<http://caligraph.org/ontology/Serbian_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Opera_singer> .
<http://caligraph.org/ontology/Serbian_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#label>	"Serbian opera singer" .
<http://caligraph.org/ontology/Serbian_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_occupation_Opera> .
<http://caligraph.org/ontology/21st-century_Serbian_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Serbian_opera_singer> .
<http://caligraph.org/ontology/Serbian_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Serbian_singer> .
<http://caligraph.org/ontology/Serbian_male_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Serbian_opera_singer> .
<http://caligraph.org/ontology/20th-century_Serbian_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Serbian_opera_singer> .
<http://caligraph.org/ontology/Serbian_women_opera_singer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Serbian_opera_singer> .