<http://webisa.webdatacommons.org/prov/459514505>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/265189642> .
<http://webisa.webdatacommons.org/265189642>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/265189642>	<http://www.w3.org/ns/prov#value>	"In addition to hedge funds and individual speculators, institutional investors like pension funds and endowment funds have become heavily involved in commodity indexes, which include not only oil but also gold and other raw materials." .
<http://webisa.webdatacommons.org/265189642>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nybooks.com> .