About: http://webisa.webdatacommons.org/58981622

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	For example, it is contemplated that a metal, such as magnesium, may be reacted with ammonia to liberate the hydrogen contained within the ammonia and generate heat.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com