<http://webisa.webdatacommons.org/prov/339279283>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/340015108> .
<http://webisa.webdatacommons.org/340015108>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/340015108>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/340015108>	<http://www.w3.org/ns/prov#value>	"You can not get the knowledge of whether if there are datas or not before you actually send the request to it." .