About: http://webisa.webdatacommons.org/138283399

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	CORRECTION: This story was updated on Feb. 5, 2013, to state that helium is an element, not a molecule.
http://www.w3.org/ns/prov#wasQuotedFrom	acs.org