<http://caligraph.org/ontology/Longest_river>	<http://www.w3.org/2000/01/rdf-schema#label>	"Longest river" .
<http://caligraph.org/ontology/Longest_river_of_Ukraine>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/Longest_river_of_Asia>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/Longest_river_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/Longest_river_of_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/Longest_river>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/River> .
<http://caligraph.org/ontology/Longest_river_of_Canada>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/Longest_river>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_longest_rivers> .
<http://caligraph.org/ontology/Longest_river_of_Mexico>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/River_of_Romania>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/Longest_undammed_river>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Longest_river> .
<http://caligraph.org/ontology/Longest_river>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .