PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Hence, HE 1523-0901 is a very rare star to be both extremely old and yet contain very heavy elements such as uranium in its spectrum.
http://www.w3.org/ns/prov#wasQuotedFrom
  • solstation.com