PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some advertisers have reported higher cost per clicks than they would expect to pay on other platforms including AdWords.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchmarketingstandard.com