PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As I said, a year ago, research by Consumer Reports WebWatch revealed that many of the most popular search engines are failing to clearly disclose advertising within their search results.
http://www.w3.org/ns/prov#wasQuotedFrom
  • consumersunion.org