About: http://webisa.webdatacommons.org/227178451

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	As described above, in some cases, there is a need to expire a user key and update the expired user key with a new one.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca