About: http://webisa.webdatacommons.org/231036468

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	We also use this method, particularly important when some of our users do not have a username (they use SSO instead).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com