PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Specific materials forming the transparent thin film having the high refractive index are an oxide such as indium, titanium, zirconium, bismuth, tin, zinc, antimony, tantalum, cerium, neodymium, lanthanum, thorium, magnesium, potassium, and the like, combinations thereof, zinc sulfide, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com