PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It may be possible that the noises were a sonic boom, which is more likely to make the kind of explosive sound reported than an earthquake, Clark said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ufoinfo.com