PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The materials provided enable children make machines such as windmills, power cars, dogbots, clock mechanisms, fishing rods, letter balances & various vehicles.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sfpl.org