title: bifocal sampling for skew-resistant join size estimation 1996. authors: abraham silberschatz , sumit ganguly , yossi matias , phillip b. gibbons. venue: sigmod conference. year: nan
title: bifocal sampling for skew-resistant join size estimation sumit ganguly , phillip b. gibbons , yossi matias , avi silberschatz international conference on management of data. authors: nan. venue: nan. year: 1996.0