密度/网格聚类

基于密度方法：DBSCAN、OPTICS 基于网格方法：STING、CLIQUE

DBSCAN(Density-Based Spatial Clustering of Applications with Noise)

OPTICS(Ordering Points To Identify Clustering Structure)

STING(A Statistical Information Grid Approach)

CLIQUE(Grid-Based Subspace Clustering)