PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These money amounts apply to one or more of the types of referrals, which include impression, click-through, or action.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com