PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Thus, it has been shown that all of the present known attempts to provide for a self-illuminating fabricated solid present problems that include solids that require chambers, grooves, channels, pockets or panels of significant size for housing a light bulb or other light source from which light is emitted through a soft material located on the top surface of the solid.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com