<http://caligraph.org/ontology/PTT_group_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Gazprom_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/BP_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Person_in_the_petroleum_industry>	<http://www.w3.org/2000/01/rdf-schema#label>	"Person in the petroleum industry" .
<http://caligraph.org/ontology/ConocoPhillips_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Person_in_the_petroleum_industry>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_associated_with_energy> .
<http://caligraph.org/ontology/Neste_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/TotalEnergies_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Chevron_Corporation_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Petroleum_engineer>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Galp_Energia_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Equinor_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Sunoco_LP_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Shell_plc_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/OPEC_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Person_in_the_petroleum_industry>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:People_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Texaco_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .
<http://caligraph.org/ontology/Person_in_the_petroleum_industry>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/ExxonMobil_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Person_in_the_petroleum_industry> .