About: http://webisa.webdatacommons.org/190502834

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	However, in an embodiment including a keypad, the user may be prompted to manually enter his or her PIN which would serve to unlock the private key in order that the key may be used with the signature function.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com