title: birch : an efficient data clustering method for very large databases t zhang , r ramakrishnan , m livny sigmod conference 1996. authors: nan. venue: nan. year: nan
title: mir livny , '' birch : an efficient data clustering method for very large databases , '' t zhang , r ramakrishnan proc . sigmod intl. conf . on management of data ,. authors: nan. venue: nan. year: nan