About: http://webisa.webdatacommons.org/398095729

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 example, here is a document discussing why such a thing would be useful and how it could be implemented, but the idea never made it to fruition.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com