About: http://webisa.webdatacommons.org/384844709

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	While a case could be made that some cases such as the one you mention might be an improvement, on the whole more people would abuse it than would use it effectively.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com