About: http://webisa.webdatacommons.org/219328861

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	Typically, metals such as copper or aluminum would be used, but other conductors, including magnetic metals such as permalloy, are also acceptable and are, in fact, preferred for purposes of this invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr