PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Environmental Protection Agency announced Friday that it will set new limits for the airborne microscopic particles known as soot, one of the most deadly forms of air pollution.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailykos.com