PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 2.1.4 Political instability, civil wars, riots and demonstrations ???Political instability is a situation where a government has been toppled, or is controlled by factions following a coup, or where basic functional pre-requisites for social-order control and maintenance are unstable and periodically disrupted''. (Cook, 1990).
http://www.w3.org/ns/prov#wasQuotedFrom
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