PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An optoelectronic device includes a passivation layer of a dielectric material having a graded composition that varies with depth, whether continuous or stepwise, to provide a first index of refraction proximate to a semiconductor or conductor material and provide a second index of refraction adjacent to a surrounding material, such as an encapsulant.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com