PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 1925, Cecilia Payne applied the new science of quantum mechanics to stellar spectra and showed that stars are made mostly of hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • harvard.edu