About: http://webisa.webdatacommons.org/377498917

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	Some indices, such as the S&P 500, have multiple versions.[3] These versions can differ based on how the index components are weighted and on how dividends are accounted for.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org