PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Africa, home to 15 percent of the world???s population, consumes just 3 percent of the world???s energy output, and 587 million people, including close to three-quarters of those living in Sub-Saharan Africa, still have no access to electricity via national grids.
http://www.w3.org/ns/prov#wasQuotedFrom
  • grist.org