PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • the present invention, the above and other objects can be accomplished by the provision of an apparatus for detecting an arc fault, comprising a current detector for detecting the amount of change of current flowing on the wire and generating a signal proportional to the amount of change; a signal transformer for passing a high frequency component of the signal outputted from the current detector,
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com