About: http://webisa.webdatacommons.org/437974063

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	I do not see how any of the points you mention would be the tiniest bit better if SO were a forum.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com