PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By using an encoded email ID, a user can limit the time, source address, or other criteria for which the encoded email ID is valid, thereby limiting the number of unwanted email messages that are received.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com