About: http://webisa.webdatacommons.org/47089254

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	Must be the non-American approach :-) But seriously, you are right, very similar concept, especially concerning no need for a physical distribution channel for the content.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com