About: http://webisa.webdatacommons.org/281719311

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	This embodiment of the invention may be based in an exchange, such as the Chicago Mercantile Exchange or the New York Stock Exchange.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es