PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We now know that stars are mostly made up of hydrogen and helium, with small amounts of some other elements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • atnf.csiro.au