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: m. , l. : â ?? birch : an efficient data clustering method for very large databasesâ ?? proc . acm sigmod int . conf . on management of data ( sigmodâ ??. authors: t zhang , r ramakrishnan. venue: nan. year: nan