About: http://webisa.webdatacommons.org/149877218

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	A preferred gas is helium, although other gases may be used such as carbon dioxide, nitrogen, argon, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com