PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The only variance is that the radioactive elements such as uranium and thorium are depleted because of decay over the billions of years since the star???s formation.
http://www.w3.org/ns/prov#wasQuotedFrom
  • reasons.org