About: http://webisa.webdatacommons.org/254592221

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	Quite simply, these are exchange traded funds that can hold assets such as commodities, and trade on a stock exchange in order to provide liquidity for investors.
http://www.w3.org/ns/prov#wasQuotedFrom	dgcassetmanagement.com