4[1]Aggarwal C C, Yu P.Outlier Detection for High Dimensional Data. ln Proc.of ACM SIGMOD'2001,2001
5[2]Breunig M M,Kriegel H P,Ng R,et al.LOF Identifying Densityy-based Local Outliers.In ACM SIGMOD Conference Proceedings,2000
6[3]Hawkins D Identification of Outliers. Chapman and H all, London. 1980
7[4]Ruts I , Rousseeuw P Computing Depth Contours of Bivariate Point Clouds. Computational Statistics and Data Analysis. 1996
8[5]Ramaswamy S , Rastogi R,Shim K.Efficient Algorithms for Mining Outliers from Large Data Sets.ACM SIGMOD Conference Proceedings,2000
9[6]Zhang T, Ramakrishnan R, Livny M.Birch:An Efficient Data Clustering Method for Very Large Databases.In Pore.of ACM SIGMOD, Montreal Canada,1996-06:103- 114
10[7]Preparata F, Shamos M. Computational Geometry: an Irtroduction.Springer, 1988