<http://webisa.webdatacommons.org/prov/377776863>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/312258321> .
<http://webisa.webdatacommons.org/312258321>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/312258321>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<murga-linux.com> .
<http://webisa.webdatacommons.org/312258321>	<http://www.w3.org/ns/prov#value>	"test to check if the variable is a file." .