PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • He then commented that without such markets, there was no incentive to recycle rare earths, or other materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • techmetalsresearch.com