Sang Hyun Oh Jin-Suk Kang Yung-Cheol Byun Gyung-Leen Park Sang-Yong Byun Intrusion Detection based on Clustering a Data Stream. 220-227 2005 conf/sera/2005 SERA http://doi.ieeecomputersociety.org/10.1109/SERA.2005.49 db/conf/sera/sera2005.html#OhKBPB05