About: http://webisa.webdatacommons.org/231901171

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	For SO and other forums, I hesitate to quote the standard except when it seems the poster would clearly and definitely benefit ??? perhaps they have asked for that or I think they are implicitly expecting it.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com