PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By 1913 upwards of 150,000 tons of ships were being launched each year, record turnover in the port saw over one million tons of mainly iron ore and timber imported and almost 1???? million tons, mainly of coal, were exported.
http://www.w3.org/ns/prov#wasQuotedFrom
  • history.uk.com