PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many devices also contain valuable metals such as gold, silver and platinum and base metals like copper, iron and aluminum that can be separated and reused in new products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • 1thingus.com