About: http://webisa.webdatacommons.org/420946749

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	Accordingly, in the broadest sense as used herein, to sign or digitally sign a piece of data, such as a message or a certificate, is to make an assertion by the signer about that data and provide a warranty of that assertion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com