<http://caligraph.org/ontology/PTT_group_person>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Thai_person> .
<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/PTT_group_person>	<http://www.w3.org/2000/01/rdf-schema#label>	"PTT group person" .
<http://caligraph.org/ontology/PTT_group_person>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:PTT_group_people> .
<http://caligraph.org/ontology/PTT_group_person>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .