About: http://webisa.webdatacommons.org/224447238

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	The second layer is a layer obtained by anodically oxidizing material containing at least one of Ti, Zr, Hf, Nb, Ta, Mo, W and Si, like in the case of the first layer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com