<http://caligraph.org/ontology/Professional_a_cappella_group>	<http://www.w3.org/2000/01/rdf-schema#label>	"Professional a cappella group" .
<http://caligraph.org/ontology/Professional_a_cappella_group>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_professional_a_cappella_groups> .
<http://caligraph.org/ontology/Professional_a_cappella_group>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Professional_a_cappella_group>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/A_cappella_musical_group> .
<http://caligraph.org/ontology/Professional_a_cappella_group>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Professional_a_cappella_groups> .