title: optics : ordering points to identify the clustering structure. authors: m ankerst , m breunig , h kriegel , j sander. venue: sigmod conference. year: 1999
title: m. , kriegel , h.-p. , et al. , 1999 , â ?? optics : ordering points to identify the clustering structureâ ??. authors: m ankerst , m breunig. venue: proceedings of the acm sigmod conference on management of. year: nan