PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The object itself was moving in a south southwesterly direction at a speed of approximately 60 to 120 mph and at an altitude of between 1000 to 3000 feet (note the size and distance were a little hard to determine at the time).
http://www.w3.org/ns/prov#wasQuotedFrom
  • ufoinfo.com