PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As a separate example, graphite or metals such as, silver, copper, platinum, nickel, chromium, iron or ferrous alloys such as carbon steel and stainless steel, and aluminum or aluminum alloys such as duralumin in the form of powder or thin flakes are added to the polishing layer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com