PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Under traditional technology means, refining REEs requires such chemicals as ammonium bicarbonate and oxalic acid.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thecuttingedgenews.com