PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Convection transports 4 petawatts (4 quadrillion watts, or joules per second) of heat energy from the equator to the poles, in the forms of wind and oceanic currents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • democraticunderground.com