PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ???Niger and Chad were importing through Nigerian ports but its inefficiency prior to the port concession of 2006 led them to move to Ghana, and other countries, where impediments were almost non-existent, compared to Nigeria.
http://www.w3.org/ns/prov#wasQuotedFrom
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