2Alsabti K,Ranka S,Singh V. An efficient k-means clustering algorithm, IPPS-98[A].Proceedings of the First Workshop on High Performance Date Mining[C]. Orlando, Florida, USA, 1998.
3Ester M, Kriegel H P, Sander J, et al. A Density-Based Algorithm for Discovering Clusters in Large Spatial Databases with Noise[J]. Proc. 2nd Int. Conf. on Knowledge Discovery and Data Mining. Portland, 1996,20: 226～231.
