About: http://webisa.webdatacommons.org/110655246

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	The idea was likely around, but the implementation, especially the locking mechanisms, weren't available.
http://www.w3.org/ns/prov#wasQuotedFrom	airliners.net