About: http://webisa.webdatacommons.org/400392145

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	Complexity gets more serious when we consider leveraged, inverse, weights that change depending on market events and performance, multiple asset classes, hedging currencies and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	etf.com