About: http://webisa.webdatacommons.org/254817400

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	Marvels such as television, FM radio, robots, color film, fluorescent lights and miracle materials such as nylon, rayon, cellophane and fiberglass were introduced at the 1939 fair.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com