About: http://webisa.webdatacommons.org/300235025

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	An Index is a system which provides faster access to rows and for enforcing constraints.If we do not create any indexes then the SQL engine searches every row in table (also called as table scan).
http://www.w3.org/ns/prov#wasQuotedFrom	codeproject.com