PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And they knew that the amount of surface soot on Tibetan Plateau glaciers has been on the rise, especially since the 1990s.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scidev.net