PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ratio of elements in those clouds is of great interest because it is believed to mirror conditions in the first few minutes after the Big Bang.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org