PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The metal or alloy can be any of those which is conventionally used for electronic devices and includes gold, nickel/gold, nickel, tin, tin/lead, aluminium, tin/aluminium and especially copper.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com