PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For a planetary system like ours to form, perhaps with life on one of the planets, there needs to be heavy elements such as iron, formed inside giant stars, and lighter elements, such as carbon and oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • man.ac.uk