About: http://webisa.webdatacommons.org/403266043

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	Many entities use X.509 certificates, while other entities are using standards such as the public key cryptographic standard (PKCS) #7 for digitally sign soft documents.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com