PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to The New York Times, ???coal-burning power plants, industrial boilers, cement kilns, and other facilities produce much of the mercury in the environment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • weitzlux.com