About: http://webisa.webdatacommons.org/30682012

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	However, there is substantiation, theoretical and empirical, that other conductive material could be used, particularly copper and possibly other highly conductive materials such as gold and platinum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au