<http://caligraph.org/ontology/Nigerian_company_established_in_1960>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Establishment> .
<http://caligraph.org/ontology/Nigerian_company_established_in_1960>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Company_of_Nigeria> .
<http://caligraph.org/ontology/Nigerian_company_established_in_1960>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Nigerian_company_established_in_1960>	<http://www.w3.org/2000/01/rdf-schema#label>	"Nigerian company established in 1960" .
<http://caligraph.org/ontology/Nigerian_company_established_in_1960>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_foundingYear_1960> .
<http://caligraph.org/ontology/Nigerian_company_established_in_1960>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Nigerian_companies_established_in_1960> .