PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Government subsidies are necessary to develop alternative energy sources: hydro, geothermal, solar, wind, ethanol from cellulose (preferably not from corn and other food crops).
http://www.w3.org/ns/prov#wasQuotedFrom
  • cartercenter.org