About: http://webisa.webdatacommons.org/411320378

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	When underground radioactive elements decay, helium is a byproduct (look up alpha particle radiation).
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org