About: http://webisa.webdatacommons.org/159334685

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 use of derivatives, especially futures and swaps, is believed to be common among LETFs (Cheng and Madhavan, 2009).
http://www.w3.org/ns/prov#wasQuotedFrom	federalreserve.gov