PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Battery or low voltage operated devices such as emergency lamps, search lamps, a vacuum cleaner, etc., may be powered from booster battery 120 of system 100 by being connected from their own plug to an outlet (such as 130, 132) of system 100, when system 100 itself is not receiving power from an external source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk