PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Biofuels are a substitute for oil, but as of now require vast amounts of land, drive up food prices, and would not be economically viable without mandates (the subsidies were phased out at the end of 2011).
http://www.w3.org/ns/prov#wasQuotedFrom
  • wattsupwiththat.com