<http://caligraph.org/ontology/Railway_line_opened_in_1991>	<http://www.w3.org/2000/01/rdf-schema#label>	"Railway line opened in 1991" .
<http://caligraph.org/ontology/Railway_line_opened_in_1991>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1991> .
<http://caligraph.org/ontology/Railway_line_opened_in_1991>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Railway_line_opened_in_1991>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Railway_lines_opened_in_1991> .
<http://caligraph.org/ontology/Railway_line_opened_in_1991>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Railway_line> .