title: the aqua approximate query answering system s acharya , p gibbons , v poosala , s ramaswamy sigmod conference 1999. authors: nan. venue: nan. year: nan
title: the aqua approximate query answering system proceedings of the 1999 acm sigmod international conference & hellip ; , 1999.0. authors: s acharya , pb gibbons , v poosala , s ramaswamy. venue: nan. year: nan