PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • rence of a natural disaster, such as a hurricane or an act of terrorism or other catastrophic event; unanticipated changes in the market structure of the electric industry; customers consuming less electricity than anticipated because of increased energy prices, unanticipated increases in conservation efforts or unanticipated increases in electric usage efficiency; or customers unexpectedly switch
http://www.w3.org/ns/prov#wasQuotedFrom
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