PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to John Kassakian, Massachusetts Institute of Technology (MIT), substation attacks are a problem that can cause tremendous disruption, particularly if key lines are affected as in the case of a switching station.
http://www.w3.org/ns/prov#wasQuotedFrom
  • energyskeptic.com