About: http://webisa.webdatacommons.org/57547565

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	People had been sing strange things in the sky since the dawn of history; but until the mid-twentieth century, UFOs were a random phenomenon of no general interest.
http://www.w3.org/ns/prov#wasQuotedFrom	adherents.com