<http://caligraph.org/ontology/Ro-ro_ship>	<http://www.w3.org/2000/01/rdf-schema#label>	"Ro-ro ship" .
<http://caligraph.org/ontology/Ro-ro_ship>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Ro-ro_ship>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Ro-ro_ships> .
<http://caligraph.org/ontology/Ro-ro_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/RestrictionHasValue_type_Roll-on/roll-off> .
<http://caligraph.org/ontology/Ro-ro_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Cargo_ship> .
<http://caligraph.org/ontology/Shughart-class_cargo_ship>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Ro-ro_ship> .