About: http://webisa.webdatacommons.org/130686837

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Finally move over your date check code to this method which is called whenever the notification is received:
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com