<http://webisa.webdatacommons.org/prov/379371529>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/409992963> .
<http://webisa.webdatacommons.org/409992963>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<metacpan.org> .
<http://webisa.webdatacommons.org/409992963>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/409992963>	<http://www.w3.org/ns/prov#value>	"This function does not tell you whether $thing is an existing file on your system." .