About: http://webisa.webdatacommons.org/119747555

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	Bob retains the private key he used to encrypt the message or file, which he can also use, especially with a digital signature, to authenticate himself as the sender.
http://www.w3.org/ns/prov#wasQuotedFrom	techtarget.com