PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Xenon lamps operated as described above, AC operated mercury lamps, or other lamps operated such that a significant alternating component is present in the radiative output from the illuminator, whether of sinusoidal or other waveform, are classed as lamps fed by a periodic time dependent current.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com