About: http://webisa.webdatacommons.org/134036154

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	To help provide security and privacy, before they are sent, invoices and other documents are signed with source private key, and encrypted with destination public key shown as 881.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk