title: the aqua approximate query answering system. authors: s acharya , p gibbons , v poosala , s ramaswamy. venue: sigmod conference. year: 1999
title: the aqua approximate query answering system. authors: sa cr941 , pb gibbons , v poosaia , s ramaswamy. venue: proc . acm sigmod lnrernational co @ on management of data , & hellip ; ,. year: nan