PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Wherin he poses the premise that ???NASA is a philanthropy ??? it would be natural for NASA to team with other philanthropies and form partnerships???.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spacepolitics.com