PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Silicones are examples of materials that are obtainable with equal index of refraction in both the liquid and solid state.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com