About: http://webisa.webdatacommons.org/244508759

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 alibaba.com, chinese producers offer 2-3$/pcs for yuins. someone buy and try to sell it in ebay and other ways
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org