About: http://webisa.webdatacommons.org/318542199

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	As materials of the photocatalyzer film used in the invention, semiconductors such as TiO2, ZnO, SnO2, ZnS and CdS may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr