About: http://webisa.webdatacommons.org/437704341

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It is preferred that the first optically transparent layer (a) comprises a material of the group of TiO2, ZnO, Nb2O5, Ta2O5, HfO2, or ZrO2, especially preferred of TiO2 or Nb2O5 or Ta2O5.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com