About: http://webisa.webdatacommons.org/73209406

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	where M is at least one of elements selected from the group including Ti, V, Cr, Cu, Zr, Ni, Nb, Mo, Hf, Ta, W, and platinum metals, and a, b, , and y are values within ranges given by
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk