<http://caligraph.org/ontology/1981_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1980s_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_sculpture> .
<http://caligraph.org/ontology/1980s_sculpture>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1986_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1983_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1989_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1982_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1984_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1980s_sculpture>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1980s_sculptures> .
<http://caligraph.org/ontology/1985_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1980s_sculpture>	<http://www.w3.org/2000/01/rdf-schema#label>	"1980s sculpture" .
<http://caligraph.org/ontology/1988_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1987_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .
<http://caligraph.org/ontology/1980_sculpture>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_sculpture> .