<http://caligraph.org/ontology/1980_murder_in_North_America>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1980_murders_in_North_America> .
<http://caligraph.org/ontology/1980_murder_in_North_America>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1980_murder_in_North_America>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_deathYear_1980> .
<http://caligraph.org/ontology/1980_murder_in_North_America>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980s_murder_in_North_America> .
<http://caligraph.org/ontology/1980_murder_in_North_America>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980_murder> .
<http://caligraph.org/ontology/1980_murder_in_North_America>	<http://www.w3.org/2000/01/rdf-schema#label>	"1980 murder in North America" .
<http://caligraph.org/ontology/1980_murder_of_U.S._missionaries_in_El_Salvador>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980_murder_in_North_America> .
<http://caligraph.org/ontology/1980_murder_in_North_America>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1980_crime_in_North_America> .