PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In our preferred embodiment, the runners are copper (optionally plated with materials such as tin-lead alloys, nickel or gold); however, other conductive materials such as aluminum, titanium, or graphite-based inks may also be suitable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com