<http://caligraph.org/ontology/Railway_line_opened_in_1951>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951> .
<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951>	<http://www.w3.org/2002/07/owl#hasValue>	"1951" .
<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
<http://caligraph.org/ontology/Hospital_established_in_1951>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951> .
<http://caligraph.org/ontology/Dam_completed_in_1951>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951> .
<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951>	<http://www.w3.org/2000/01/rdf-schema#label>	"Restriction onProperty=openingYear hasValue=1951" .
<http://caligraph.org/ontology/Hospital_building_completed_in_1951>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951> .
<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951>	<http://www.w3.org/2002/07/owl#onProperty>	<http://caligraph.org/ontology/openingYear> .
<http://caligraph.org/ontology/Bridge_completed_in_1951>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_openingYear_1951> .