<http://caligraph.org/ontology/American_municipal_police_chief>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:American_municipal_police_chiefs> .
<http://caligraph.org/ontology/Detroit_Police_Department_chief>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_municipal_police_chief> .
<http://caligraph.org/ontology/Head_of_the_Chicago_Police_Department>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_municipal_police_chief> .
<http://caligraph.org/ontology/American_municipal_police_chief>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/American_municipal_police_chief>	<http://www.w3.org/2000/01/rdf-schema#label>	"American municipal police chief" .
<http://caligraph.org/ontology/Houston_Police_Department_chief>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_municipal_police_chief> .
<http://caligraph.org/ontology/San_Francisco_Police_Department_chief>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_municipal_police_chief> .
<http://caligraph.org/ontology/American_municipal_police_chief>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/American_police_chief> .