PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Vast amounts of strategic commodities are recovered from electronic scrap, including rare earth metals, gold, copper and aluminum.
http://www.w3.org/ns/prov#wasQuotedFrom
  • recyclingtoday.com