<http://caligraph.org/ontology/O-type_star>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/O-type_star>	<http://www.w3.org/2000/01/rdf-schema#label>	"O-type star" .
<http://caligraph.org/ontology/O-type_star>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Star> .
<http://caligraph.org/ontology/O-type_giant>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/O-type_star> .
<http://caligraph.org/ontology/O-type_bright_giant>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/O-type_star> .
<http://caligraph.org/ontology/O-type_main-sequence_star>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/O-type_star> .
<http://caligraph.org/ontology/O-type_star>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:O-type_stars> .