PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention relates to the field of general illumination, and more specifically, to illumination devices that use light sources as for example light emitting diodes (LEDs) or semiconductor lasers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com