PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ecosystem of various buyers, sellers and other intermediaries has helped advertisers access digital media, but it is inefficient and has fallen short of truly enabling them to take advantage of the full potential of digital advertising.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sec.gov