About: http://webisa.webdatacommons.org/2419881

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 example, electronic trading systems have been created which facilitate the trading of financial instruments and commodities such as stocks, bonds, currency, futures, oil, gold, pork bellies, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk