About: http://webisa.webdatacommons.org/73987894

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	FIG. 3 is a flow chart of the generation of a cryptographic postmark which may be associated with a message to be communicated by the system shown in FIG. 2;
http://www.w3.org/ns/prov#wasQuotedFrom	google.cl