PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Electricity generation is the primary use for renewable energy sources such as wind and solar; yet these sources, including geothermal energy, generated only 2.7% of U.S. electricity in 2009, with biomass generating a further 1%.
http://www.w3.org/ns/prov#wasQuotedFrom
  • overpopulation.org