PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • During supernova events when massive stars exhaust their nuclear fuel in only a few days to months, collapse occurs and the enormous amount of energy caused by intense neutron flux produces the heavier elements such as uranium and gold.
http://www.w3.org/ns/prov#wasQuotedFrom
  • australianmuseum.net.au