<http://caligraph.org/ontology/20th-century_ballet_premiere>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_20th-century_ballet_premieres> .
<http://caligraph.org/ontology/1960s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .
<http://caligraph.org/ontology/1970s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .
<http://caligraph.org/ontology/1980s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .
<http://caligraph.org/ontology/1930s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .
<http://caligraph.org/ontology/1940s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .
<http://caligraph.org/ontology/20th-century_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#label>	"20th-century ballet premiere" .
<http://caligraph.org/ontology/20th-century_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ballet_premiere> .
<http://caligraph.org/ontology/1990s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .
<http://caligraph.org/ontology/1950s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .
<http://caligraph.org/ontology/20th-century_ballet_premiere>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/20th-century_ballet_premiere>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_ballet_premieres> .
<http://caligraph.org/ontology/1900s_ballet_premiere>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_ballet_premiere> .