title: data bubbles : quality preserving performance boosting for hierarchical clustering sigmod conference 2001. authors: m breunig , h kriegel , p krіger , j sander. venue: nan. year: nan
title: data bubbles : quality preserving performance boosting for hierarchical clustering mm breunig , hp kriegel , j sander sigmod record , 2001.0. authors: nan. venue: nan. year: nan