PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The first metal layer 22 is formed of a material having conductivity, for example, a composite film or mixed metals comprised of at least one or more of aluminum, titanium, tungsten, molybdenum, gold, silver, nickel, indium, or a semiconductor such as silicon to which a high density impurity material is added.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com