About: http://webisa.webdatacommons.org/103862108

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	@C. Ross: in astronomy metal refers to any element other than hydrogen or helium.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com