PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Preferably this structure is formed by securing together corrugated sheets 62, 64 of a suitable high thermal conductivity material, such as copper, and the surfaces of the sheets are covered with a material having a high ??/?? ratio, such as black nickel over bright nickel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com