About: http://webisa.webdatacommons.org/211683539

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The data was examined by an experienced air traffic controller, who advised that the data was a compilation of both primary and secondary radar, but that no unknown object appeared on the screen.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com