PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But for commodities such as copper, zinc or iron, roughly one-third of what gets used each year comes from scrap material he is been reprocessed from earlier economic cycles.
http://www.w3.org/ns/prov#wasQuotedFrom
  • theenergyreport.com