<http://caligraph.org/ontology/Pre-main-sequence_star>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Pre-main-sequence_star>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Star> .
<http://caligraph.org/ontology/FU_Orionis_star>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Pre-main-sequence_star> .
<http://caligraph.org/ontology/Pre-main-sequence_star>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Pre-main-sequence_stars> .
<http://caligraph.org/ontology/T_Tauri_star>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Pre-main-sequence_star> .
<http://caligraph.org/ontology/Pre-main-sequence_star>	<http://www.w3.org/2000/01/rdf-schema#label>	"Pre-main-sequence star" .