About: http://webisa.webdatacommons.org/249431781

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	Some elements, such as gold, silver and iron, have been known since ancient times, so it is impossible to credit a single person for their discovery.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com