PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Instead, every time one of your ads competes in the auction, AdWords calculates real-time measurements of expected CTR, ad relevance, and landing page experience that, together with your bid and other factors, produce a score called Ad Rank.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com