title: answering complex sql queries using automatic summary tables. authors: roberta cochrane , hamid pirahesh , monica urata , markos zaharioudakis , george lapis. venue: sigmod conference. year: 2000.0
title: answering queries with aggregation using views very large data bases. authors: divesh srivastava , shaul dar , h. v. jagadish , alon y. levy. venue: nan. year: 1996.0