About: http://webisa.webdatacommons.org/187891812

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	I would say encryption is a nice to have in case you have confidential information (such as the password for your new server shell account in case you do not use key authorization) but digital signatures are much more important.
http://www.w3.org/ns/prov#wasQuotedFrom	kde.org