About: http://webisa.webdatacommons.org/80857989

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	For example, metals such as aluminum (Al), gold (Au), palladium (Pd), platinum (Pt), silver (Ag), iron (Fe), chromium (Cr) or vanadium (V) may be used as the third underlying layer 12B.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com