PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metals and metal oxides such as indium tin oxide can have an index of refraction over 12 vs. that of about 1.5 for plastics and glass and 1 for air.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com