About: http://webisa.webdatacommons.org/71399123

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	each Ui=rPi, where r is a variable integer generated in encrypting the message;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com