About: http://webisa.webdatacommons.org/120970415

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	It is a further object of the invention to provide such an exchange that provides flexibility, for example, to enable a seller to determine the style and parameters of a particular exchange such as whether the exchange is open or closed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com