PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One only has to look at the content v/s ad ratio for any media to see that even media that is paid for by consumers directly, such as magazines and newspapers, contain SIGNIFICANT ad content.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com