PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The thin intermediate layer 201 is metal and may for example be based on iron or nickel or silver or aluminium or copper silicide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com