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: , s. ramaswamy , and t. suel . aqua : system and techniques for approximate query answering pb gibbons , v poosala , s acharya , y bartal. authors: nan. venue: technical report , bell laboratories , murray hill , nj , feb. .. year: nan