About: http://webisa.webdatacommons.org/257171270

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	And, there were a couple of examples given of companies, like IBM, that are doing this.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com