PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Corning 7059 glass is generally used as a glass substrate because of deposition of impurities, prices, and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com