About: http://webisa.webdatacommons.org/181586442

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	It IS historically, by maps and other documents, proven to be part of the Ryukyuu kingdom.
http://www.w3.org/ns/prov#wasQuotedFrom	economist.com