title: approximating aggregate queries about web pages via random walks vldb 2000. authors: jittat fakcharoenphol , steve chien , ziv bar-yossef , alexander berg , dror weitz. venue: nan. year: nan
title: surfing wavelets on streams : one-pass summaries for approximate aggregate queries anna c. gilbert , yannis kotidis , s. muthukrishnan , martin strauss very large data bases. authors: nan. venue: nan. year: 2001.0