About: http://webisa.webdatacommons.org/346385752

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	A document transfer system enabling a consumer to obtain a document from an owner upon payment uses a cryptographic protocol involving the consumer, the owner, a document source, such as a printer, and a mediator.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr