<http://webisa.webdatacommons.org/2394939>	<http://www.w3.org/ns/prov#value>	"How to check the string is a Date" .
<http://webisa.webdatacommons.org/2394939>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/prov/497287397>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/2394939> .
<http://webisa.webdatacommons.org/2394939>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .