title: data bubbles : quality preserving performance boosting for hierarchical clustering. authors: m breunig , h kriegel , p krіger , j sander. venue: sigmod conference. year: 2001
title: data bubbles : quality preserving performance boosting for hierarchical clustering acm sigmod. authors: mm breunig , hp kriegel , p krã ¶ ger , j sander. venue: santa barbara , california ,. year: nan