PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A composite superconductor consists of a super-conducting material and a normal conducting material, and it is finished into a round, flat or hollow type wire, for example, by burying superconducting wires of about 5 to 250 ??m diameter into the normal conducting material such as copper, aluminium or other metals, or alloys thereof.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com