About: http://webisa.webdatacommons.org/292155342

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	In the medical field, elements such as helium (that can be detected in minute quantities) can be used as chemical tracers in impregnated buckyballs.
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com