About: http://webisa.webdatacommons.org/450913710

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	Magnesium is an earth metal, like calcium, but it is a waste material that people must pay to dispose of, he said.
http://www.w3.org/ns/prov#wasQuotedFrom	nextbigfuture.com