PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This is an older technique that eliminates the requirement for a neutral, however A) It does not work with fluorescent or LED bulbs, B) there is constantly electricity flowing through the light, and C) there is a limit to how much electricity can be used by the device.
http://www.w3.org/ns/prov#wasQuotedFrom
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