PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Such passive optical structures can be formed from a wide variety of materials including transparent materials such as glass, or plastics, translucent materials, thin films, or filters or filter material.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com