About: http://webisa.webdatacommons.org/234805476

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	Preferred examples of such materials to be used in the light absorbing portion include metals such as copper (Cu), silver (Ag), gold (Au), iron (Fe), cobalt (Co), nickel (Ni), platinum (Pt), tantalum (Ta), and iridium (Ir).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com