S. Papadimitirou, H. Kitagawa, P. B. Gibbons, and C. Faloutsos : "LOCI: Fast Outlier Detection Using the Local Correlation Integral", Proc. 19th IEEE International Conference on Data Engineering (ICDE 2003), pp. 315-326, Bangalore, India, March 2003
C. Zhu, H. Kitagawa, S. Papadimitriou, and C. Faloutsos : "OBE: Outlier by Example", Proc. 8th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2004), pp. 222-234, Sydney, Australia, May 2004
J.-Y. Pan, H. Kitagawa, C. Faloutsos, and M. Hamamoto : "AutoSplit: Fast and Scalable Discovery of Hidden Variables in Stream and Multimedia Databases", Proc. 8th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2004), pp. 519-528, , Sydney, Australia, May 2004
B. K. Sarker and H. Kitagawa : "A Distributed Algorithm for Outlier Detection in a Large Database", Proc. 4th International Workshop on Databases in Networked Information Systems (DNIS 2005), LNCS 3433, pp. 300-309, Aizu-Wakamatsu, Japan, March 2005
K. Narita and H. Kitagawa : "Mining Frequent Closed Itemsets from Privacy Preserving Data", Proc. IADIS International Conference e-Society 2005, pp. 355-362, Marta, June 2005
C. Zhu, H. Kitagawa, and C. Faloutsos : "Example-Based Robust Outlier Detection in High Dimensional Datasets", Proc. 5th IEEE International Conference on Data Mining (ICDM 2005), Houston, TX, November 2005