PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention pertains to optical apparatus, such as eyeglasses and the like, and more specifically to optical apparatus capable of automatically focusing in a variety of circumstances.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au