About: http://webisa.webdatacommons.org/270315206

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	where u is a User and (expression) is an expression that evaluates to a boolean.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com