About: http://webisa.webdatacommons.org/316908299

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	In addition, the transparent media for making Brewster's angle and reflecting only the S polarized light are made of not only glass, plastic, but also MgF2, ZrO2, Ge, Y2O3, ZnO, Si, ZnS, TiO2, SiO2, Ta2O5 or other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com