About: http://webisa.webdatacommons.org/169611758

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	Beryllium, one of the rare metals, was discovered in 1798 by Vauquelin.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com