<http://webisa.webdatacommons.org/425865792> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.fr> . <http://webisa.webdatacommons.org/prov/455912813> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/425865792> . <http://webisa.webdatacommons.org/425865792> <http://www.w3.org/ns/prov#value> "The sidewall 2207 is etched selectively by using a solution including hydrofluoric acid and removed." . <http://webisa.webdatacommons.org/425865792> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .