PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Sources for the ultraviolet light include, but are not limited to, an excimer laser, a barrier discharge lamp, a mercury lamp, a microwave-generated UV lamp, a laser such as a frequency doubled or frequency tripled laser in the IR or visible region, or a two-photon absorption from a laser in the visible region.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com