PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Sun is composed mainly of hydrogen (70%) and helium (28%) with about 2% of heavier elements.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mudgeeobservatory.com.au