About: http://webisa.webdatacommons.org/1189742

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	securities exchanges, such as the New York Stock Exchange (NYSE), the American Stock Exchange (AMEX), and the Chicago Board of Options Exchange (CBOE).
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com