About: http://webisa.webdatacommons.org/397957631

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	You could always check other information like name, birthday, and other stuff, but that is not reliable at all and you could mess up your user data.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com