<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Open_problems> .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/2004/02/skos/core#altLabel>	"barrier to the emergence of intelligent life" .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Great_Filter> .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1996_introductions> .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1996_introduction> .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Great Filter" .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Outline_of_extraterrestrial_life> .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/2000/01/rdf-schema#label>	"Great Filter" .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Open_problem> .
<http://caligraph.org/resource/Great_Filter>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .