<http://caligraph.org/ontology/Drug-related_death_in_Massachusetts>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Drug-related_death_in_the_United_States> .
<http://caligraph.org/ontology/Drug-related_death_in_Massachusetts>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Deaths_by_heroin_overdose_in_Massachusetts> .
<http://caligraph.org/ontology/Drug-related_death_in_Massachusetts>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Drug-related_death_in_Massachusetts>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Drug-related_deaths_in_Massachusetts> .
<http://caligraph.org/ontology/Drug-related_death_in_Massachusetts>	<http://www.w3.org/2000/01/rdf-schema#label>	"Drug-related death in Massachusetts" .
<http://caligraph.org/ontology/Drug-related_death_in_Massachusetts>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_deathPlace_Massachusetts> .
<http://caligraph.org/ontology/Alcohol-related_death_in_Massachusetts>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Drug-related_death_in_Massachusetts> .