About: http://webisa.webdatacommons.org/287631264

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	Physical replication is fine and dandy if you???re tracking a broad, liquid, well-known index such as the S&P 500, where tens of thousands of professional institutions operate on a real-time basis.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com