Lingras P, West C. Interval set clustering of web users with rough k-means[J]. Journal of Intelligent Information Systems, 2004, 23(1): 5-16.
[2]
De S, Krishna P. Clustering web transactions using rough approximation[J]. Fuzzy Sets and Systems, 2004, 148(1): 131-138.
[3]
Kohonen T. Self-organizing maps[M]. 2nd ed. Berlin: Springer-Verlag, 1997.
[4]
Bezdek J, Pal N. Some new indexes for cluster validity[J]. IEEE Transactions on Systems, Manand Cybernetics: Part B, 1998, 28(3): 301-315.
[5]
Inselberg A, Dimsdale B. Parallel coordinates: a tool for visualizing multi-dimensional geometry[C]//The 1st IEEE Conf on Visualization. San Francisco: IEEE, 1990: 361-378.
