About: http://webisa.webdatacommons.org/48601554

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	Back in the 1960's, there was a TV show called The 21st Century, which was narrated by Walter Cronkite.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org