About: http://webisa.webdatacommons.org/11561221

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	Exchanges and associations must pay Section 31(d) assessments for each round turn transaction (treated as including one purchase and one sale of a contract of sale for future delivery).
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov