PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Scientists have determined that acid rain develops when pollution, mostly from coal-fired electric power plants, enters the atmosphere and returns to the ground in the form of acid rain.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tu.org