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- W227974271 abstract "High dimensionality poses two challenges for clustering algorithms: features may be noisy and data may be sparse. To address these challenges, subspace clustering seeks to project the data onto simple yet informative subspaces. The projection process should be fast and the projected subspaces should be well-clusterable. In this paper, we describe a numerical one-dimensional subspace approach for high dimensional data. First, we show that the numerical one-dimensional subspaces can be constructed efficiently by controlling the correlation structure. Next, we propose two strategies to aggregate the representatives from each numerical one-dimensional subspace into the final projected space, where the clustering problem becomes tractable. Finally, the experiments on real-world document data sets demonstrate that, compared to competing methods, our approach can find more clusterable subspaces which align better with the true class labels." @default.
- W227974271 created "2016-06-24" @default.
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- W227974271 date "2014-01-01" @default.
- W227974271 modified "2023-09-24" @default.
- W227974271 title "Finding Well-Clusterable Subspaces for High Dimensional Data" @default.
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- W227974271 doi "https://doi.org/10.1007/978-3-319-06605-9_26" @default.
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