PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The sandbox was a test and practice area of about 100 feet square, located in one of the buildings at MSC (the Manned Spacecraft Center, now the Johnson Space Center).
http://www.w3.org/ns/prov#wasQuotedFrom
  • nasa.gov