PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Display ads were a distant second at 19 percent, though if you buy into the All Display Advertising super-category the IAB also provides, then it rises to 39 percent of all spend.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchenginewatch.com