About: http://webisa.webdatacommons.org/194034776

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	Each of them may be formed by an element selected from Ta, W, Ti, Mo, Al, Cu, Cr and Nd, or an alloy or compound material mainly containing the element.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com