PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In various embodiments, the light source may include an optical facility including at least one of a lens, a filter, a diffuser, a reflector, a phosphorescent material, or a luminescent material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com