<http://caligraph.org/ontology/1973_death>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973> .
<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Restriction> .
<http://caligraph.org/ontology/1973_murder_in_Europe>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973> .
<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973>	<http://www.w3.org/2002/07/owl#onProperty>	<http://caligraph.org/ontology/deathYear> .
<http://caligraph.org/ontology/1973_suicide>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973> .
<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973>	<http://www.w3.org/2000/01/rdf-schema#label>	"Restriction onProperty=deathYear hasValue=1973" .
<http://caligraph.org/ontology/Victim_of_aviation_accidents_or_incidents_in_1973>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973> .
<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973>	<http://www.w3.org/2002/07/owl#hasValue>	"1973" .
<http://caligraph.org/ontology/1973_murder_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1973> .