PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Typically flight positions are recorded every 1-4 minutes, but there is a void which began as he was approaching Pittsburgh until nearing his Akron approach.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bradblog.com