PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Google recommends instead thinking about metrics such as conversation rates, ROI, and relevancy to correlate meaningful gains to your site.
http://www.w3.org/ns/prov#wasQuotedFrom
  • booking.com