title: the aqua approximate query answering system. authors: sridhar ramaswamy , swarup acharya , phillip b. gibbons , viswanath poosala. venue: sigmod conference. year: 1999.0
title: the query by image content ( qbic ) system. authors: jonathan ashley , myron flickner , james hafner , denis lee , wayne niblack , dragutin petkovic. venue: international conference on management of data. year: 1995.0