1. Oh, C.-H., Honda, K., Ichihashi, H.: Fuzzy Clustering for Categorical Multivariate Data, pp. 2154–2159, 0-7803-7078-3/0u$l0.0(0C)u)O lEEE
2. Honda, K.: Fuzzy c-Means Clustering of Mixed Databases Including Numerical and Nominal Variables. In: Proceedings of the 2004 IEEE Conference on Cybernetics and Intelligent Systems, Singapore, December 1-3, pp. 558–562 (2004) 0-7803-86434/04/$20.00 Q 2004 IEEE
3. Uesugi, R., Honda, K., Ichihashi, H.: Linear Fuzzy Clustering for Mixed Databases Based on Optimal Scaling. In: 2006 IEEE International Conference on Fuzzy Systems Sheraton Vancouver Wall Centre Hotel, Vancouver, BC, Canada, Vancouver, BC, Canada, July 16-21, pp. 778–782 (2006) 0-7803-9489-5/06/$20.00/©2006 IEEE
4. Han, J., Kamber, M.: Data Mining Concepts and Technique
5. Adriaans, P., Zantinge, D.: Data Mining. Addison Wesley Longman (1996)