About: http://webisa.webdatacommons.org/156341646

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	According to the common key encrypting method, there is a problem that encrypted data is sent to the addressee, and separately, a decryption key for this data has to be sent to the addressee in a safe manner.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com