About: http://webisa.webdatacommons.org/186824356

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	For oil, natural gas, coffee, sugar, cocoa, gold, silver, & copper, each trade is a contract which includes taking delivery of the physical good in the price.
http://www.w3.org/ns/prov#wasQuotedFrom	techdirt.com