<http://caligraph.org/ontology/Extraterrestrial_valley>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Extraterrestrial_valleys> .
<http://caligraph.org/ontology/Extraterrestrial_valley>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Valley_on_the_Moon>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Extraterrestrial_valley> .
<http://caligraph.org/ontology/Extraterrestrial_valley>	<http://www.w3.org/2000/01/rdf-schema#label>	"Extraterrestrial valley" .
<http://caligraph.org/ontology/Extraterrestrial_valley>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Valley> .
<http://caligraph.org/ontology/Valley_or_canyon_on_Mars>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Extraterrestrial_valley> .