About: http://webisa.webdatacommons.org/21994338

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 optimizer can use an index to speed up a query in various ways depending on what clauses are present in the statement, such as index equality lookup and range scan; sort-avoidance; indexed-nested loop join; and index-only access.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com