About: http://webisa.webdatacommons.org/382448150

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	In fact SP recordings were discontinued by 1964 in most countries including Japan.
http://www.w3.org/ns/prov#wasQuotedFrom	biglobe.ne.jp