<http://webisa.webdatacommons.org/prov/249380932>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/401295615> .
<http://webisa.webdatacommons.org/401295615>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/401295615>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/262445564>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/401295615> .
<http://webisa.webdatacommons.org/401295615>	<http://www.w3.org/ns/prov#value>	"Check url is a file or directory" .