About: http://webisa.webdatacommons.org/1938102

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	Further, at least one type of metal selected from Co, Pt, Pd, Au, Ag, Ir, Nb, Ta, V, W, Ti, Cr, Zr, Bi, In, etc., may be sparingly added to these materials, or reducing gas such as nitrogen may be sparingly added.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr