About: http://webisa.webdatacommons.org/46931504

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	During the time of China???s Sung dynasty (960-1279), Japan exported large quantities of gold to China, and in return imported copper coins, silk, ceramics and other goods.
http://www.w3.org/ns/prov#wasQuotedFrom	web-japan.org