About: http://webisa.webdatacommons.org/267175013

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	In this embodiment, the sender may encrypt using a public key derived from a piece of information containing a time element, such as a year, date or other time, to help provide key expiration or other forms of temporal key management.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com