PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In a letter to NASA administrator Charles Bolden Jr., these rocket scientists, space explorers, and other men and women of reason requested, NASA and the Goddard Institute for Space Studies (GISS) refrain from including unproven remarks in public releases and websites.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newsmax.com