PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But we have to use another form of energy to turn the motor such as gasoline, diesel, propane, bio-fuels, nuclear, the discovery of fusion or a better way of extracting the energy from our main power source in the solar system, which is our Sun.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freakonomics.com