PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The lens portion 112 can be made of a synthetic material such as silicone, polymethylmethacrylate, hydrogel, polysulfone, glass, or any other suitable material, and can have an outer diameter of, for example, about 1 mm to about 12 mm, or any other suitable diameter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com