A New Semi-unsupervised Intrusion Detection Method Based on Improved DBSCAN. - Xue-yong Li; Guohong Gao; Jia-xia Sun (J. Networks, 2010)

Research of Hierarchical Clustering Based on Dynamic Granular Computing. - Xue-yong Li; Jia-xia Sun; Guohong Gao; Jun-Hui Fu (J. Comput., 2011)