PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A metal layer such as aluminum (Al), aluminum alloy, copper (Cu) or the like is formed by sputtering, plating or other film forming method.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com