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- W1972132022 abstract "Data clustering has been discussed extensively, but almost all known conventional clustering algorithms tend to break down in high dimensional spaces because of the inherent sparsity of the data points. Existing subspace clustering algorithms for handling high-dimensional data focus on numerical dimensions. In this paper, we designed an iterative algorithm called SUBCAD for clustering high dimensional categorical data sets, based on the minimization of an objective function for clustering. We deduced some cluster memberships changing rules using the objective function. We also designed an objective function to determine the subspace associated with each cluster. We proved various properties of this objective function that are essential for us to design a fast algorithm to find the subspace associated with each cluster. Finally, we carried out some experiments to show the effectiveness of the proposed method and the algorithm." @default.
- W1972132022 created "2016-06-24" @default.
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- W1972132022 date "2004-12-01" @default.
- W1972132022 modified "2023-10-16" @default.
- W1972132022 title "Subspace clustering for high dimensional categorical data" @default.
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- W1972132022 doi "https://doi.org/10.1145/1046456.1046468" @default.
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