PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Transport costs imposed severe penalties on transporting timber long distances unless it was needed for special purposes such as building construction, pit props, or ship-building, and the coal-mining and coal-processing industries grew astonishingly, beginning in Elizabethan England and extending to European regions as the timber crisis overtook them.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucdavis.edu