About: http://webisa.webdatacommons.org/338892069

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	The Standard & Poor's 500 Index is an example of such an index and is based on the common stocks of the 500 largest corporations which trade on United States exchanges.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com