PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This latest salvo comes from none other than Rob Ferguson and the Science and Public Policy Institute (SPPI). [4] Since leaving the oil-industry backed and former Philip Morris sponsored [5] Frontiers of Freedoms, Ferguson and the SPPI have been aggressively promoting the denialist message.
http://www.w3.org/ns/prov#wasQuotedFrom
  • desmogblog.com