PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Those minerals, including columbite-tantalite, cassiterite, gold and wolframite and derivatives such as tin and tungsten, originate in the Democratic Republic of the Congo or any of the adjacent countries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cfo.com