About: http://webisa.webdatacommons.org/285941154

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	Derivative instruments, such as futures contracts, options and swap agreements, are utilized primarily in the purchase of natural gas for customers.
http://www.w3.org/ns/prov#wasQuotedFrom	marketplace.org