PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That the UAE is a major natural gas and oil producer puts it in direct competition with U.S. natural gas producers, who have seen a revolution in production with the increased use of fracking ??? an old process that has found new uses as technology has made it possible to drill new wells and open up gas reserves that were once thought inaccessible.
http://www.w3.org/ns/prov#wasQuotedFrom
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