<http://caligraph.org/ontology/Chief_executive_in_the_energy_industry>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Chief_executive_in_the_energy_industry>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Chief_executive> .
<http://caligraph.org/ontology/British_chief_executive_in_the_energy_industry>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Chief_executive_in_the_energy_industry> .
<http://caligraph.org/ontology/Chief_executive_in_the_energy_industry>	<http://www.w3.org/2000/01/rdf-schema#label>	"Chief executive in the energy industry" .
<http://caligraph.org/ontology/Chief_executive_in_the_energy_industry>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Chief_executives_in_the_energy_industry> .
<http://caligraph.org/ontology/Dutch_chief_executive_in_the_oil_industry>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Chief_executive_in_the_energy_industry> .
<http://caligraph.org/ontology/American_chief_executive_of_energy_companies>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Chief_executive_in_the_energy_industry> .