PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While atmospheric pollution over rapidly developing China, including Beijing, has captured scientific and media attention because of the 2008 Summer Olympics, metropolitan areas in all countries are producers of atmospheric haze.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov