PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Exploitation of such natural resources as minerals, hydrocarbons, and tropical timber, and production of tree crops such as coffee, cocoa, and copra, generate significant export and tax revenues.
http://www.w3.org/ns/prov#wasQuotedFrom
  • refworld.org