<http://caligraph.org/ontology/London_slave_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Slave_ship> .
<http://caligraph.org/ontology/Slave_ship>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Slave_ships> .
<http://caligraph.org/ontology/Liverpool_slave_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Slave_ship> .
<http://caligraph.org/ontology/Slave_ship>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_slave_ships> .
<http://caligraph.org/ontology/Slave_ship>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Slave_ship>	<http://www.w3.org/2000/01/rdf-schema#label>	"Slave ship" .
<http://caligraph.org/ontology/Bristol_slave_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Slave_ship> .
<http://caligraph.org/ontology/Slave_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Sailing_ship> .