<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Canadian_petroleum_companies> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Company_listed_on_the_Toronto_Stock_Exchange> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Income_trust> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Company_based_in_Calgary> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Establishment> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"Penn West Energy Trust" .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/2004/02/skos/core#altLabel>	"Penn West Petroleum" .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Royalty_trust> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Companies_listed_on_the_New_York_Stock_Exchange_(P)> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/2000/01/rdf-schema#label>	"Penn West Energy Trust" .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/Penn%20West%20Energy%20Trust_(19180568)>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Oil_company_of_Canada> .