PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Davis said that right now, Yahoo is banking on its Require-Recipient-Valid-Since protocol, a header that senders add to emails to check the age of the account before delivering a message, such as a password reset email.
http://www.w3.org/ns/prov#wasQuotedFrom
  • techweb.com