PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But producing it from water takes electricity: according to 2005 data from the International Energy Agency, 67 percent of the world's electric power still comes from non-renewable sources such as coal, gas and other fossil fuels.
http://www.w3.org/ns/prov#wasQuotedFrom
  • enn.com