PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Aerosol particles come from fuels burned in power plants and cars, as well as from natural sources such as volcanoes, sea spray and dust.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com