title: approximate query processing using wavelets vldb j.. authors: rajeev rastogi , minos n. garofalakis , kyuseok shim , kaushik chakrabarti. venue: nan. year: 2001.0
title: sequence query processing praveen seshadri , miron livny , raghu ramakrishnan. authors: nan. venue: international conference on management of data. year: 1994.0