title: new sampling-based summary statistics for improving approximate query answers phillip b. gibbons , yossi matias sigmod conference. authors: nan. venue: nan. year: 1998.0
title: aqua : a fast decision support systems using approximate query answers swarup acharya , phillip b. gibbons , viswanath poosala very large data bases 1999. authors: nan. venue: nan. year: nan