title: birch : an efficient data clustering method for very large databases. authors: t zhang , r ramakrishnan , m livny. venue: sigmod conference. year: 1996
title: ã cents â ? ¬ â ? cents birch : an efficient data clustering method for very large databasesã cents â ? ¬ â ? cents. authors: t zhang , r ramakrishnan , m linvy. venue: proc . acm sigmod int . conf . on management of data , acm press ,. year: nan