Clustering Categorical Data Y. Zhang, A. Fu, C. Cai, and P. Heng   View Paper (PDF)   Return to OLAP, DW, and Data Mining Abstract In this paper we propose two methods to study the problem of clustering categorical data. The first method is based on dynamical system approach. The second method is based on the graph partitioning approach. DiSC'01 Copyright ©2002 ACM Inc.