PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Lenses 12 are made of a soft, pliable material, such as silicone or flexible polyurethane, or any one of the materials listed above, and can be translucent, opaque, transparent, and/or of optical quality to provide maximum comfort to the wearer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com