About: http://webisa.webdatacommons.org/187041297

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	For a small-scale system, the password issue center, that is, the system including the sub-secret key of the sub-public key may exist in the POS terminal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com