About: http://webisa.webdatacommons.org/125350680

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	You should read it and if you agree endorse it as well.Following is a draft version of the declaration, which was taken from their site before the official version was unveiled.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com