<http://webisa.webdatacommons.org/prov/209537268>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/336492769> .
<http://webisa.webdatacommons.org/336492769>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/336492769>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<learnalberta.ca> .
<http://webisa.webdatacommons.org/336492769>	<http://www.w3.org/ns/prov#value>	"systems, including ways to keep these systems" .