About: http://webisa.webdatacommons.org/340027124

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 sign a message or other document, the sender performs a computation that takes as input the message and the private signature key and produces as output a digital signature for that message.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com