PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One area to which they can contribute is the provision of energy-efficient and less-polluting cookstoves to the 2.7 billion people in the developing world who cannot afford fossil fuels and instead burn biomass such as firewood and dung.
http://www.w3.org/ns/prov#wasQuotedFrom
  • utsandiego.com