About: http://webisa.webdatacommons.org/118539622

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 speaker recalled there were many examples of such a system in the industrial countries of the world.
http://www.w3.org/ns/prov#wasQuotedFrom	ssa.gov