About: http://webisa.webdatacommons.org/135838775

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 Chinese sent such goods as copper coins and silk thread to Japan, while Japan exported sulfur, swords, fans, and other objects, to China.
http://www.w3.org/ns/prov#wasQuotedFrom	kyohaku.go.jp