PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Therefore, it has long been known that it would be desirable to have a method for testing visual capacity which reliably permits the objective testing of a test subject; which has application to human beings, animals and other forms of life; which achieves a degree of reliability significantly enhanced over that heretofore achieved in the art; which can be employed for the purpose of directly test
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com