title: storage estimation for multidimensional aggregates in the presence of hierarchies a shukla , p deshpande , j naughton , k ramasamy vldb. authors: nan. venue: nan. year: 1996.0
title: approximate computation of multidimensional aggregates in a data warehouse annual conference proceedings of the national advisory & hellip ; ,. authors: r pears , m mansfield. venue: nan. year: nan