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: birch : an efficient data clustering method for very large databasesâ '' , jagadish hv , mumick is , eds proceedings of the 1996 acm sigmod international conference. authors: t zhang , r ramakrishnan , m livny. venue: nan. year: nan