PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The protective layer pattern 160 may comprise materials such as Al2O3, TiO2, SiO2, ZrO2 or CeO2.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com