Kun Niu Chong Huang Shubo Zhang Junliang Chen ODDC: Outlier Detection Using Distance Distribution Clustering. 332-343 2007 conf/pakdd/2007w PAKDD Workshops http://dx.doi.org/10.1007/978-3-540-77018-3_34 db/conf/pakdd/pakdd2007w.html#NiuHZC07