About: http://webisa.webdatacommons.org/269187685

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, an ultrathin film of an insulator, for example, metal halide such as calcium fluoride, lithium fluoride, or cesium fluoride, alkali metal oxide such as lithium oxide, or the like is often used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com