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: r. , and livny , m. 1996 . birch : an efficient data clustering method for very large databases proc . acm sigmod int . conf . management of data. authors: tr zhang. venue: nan. year: nan