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- W4287120145 abstract "The problem of simultaneous column and row subset selection is addressed in this paper. The column space and row space of a matrix are spanned by its left and right singular vectors, respectively. However, the singular vectors are not within actual columns/rows of the matrix. In this paper, an iterative approach is proposed to capture the most structural information of columns/rows via selecting a subset of actual columns/rows. This algorithm is referred to as two-way spectrum pursuit (TWSP) which provides us with an accurate solution for the CUR matrix decomposition. TWSP is applicable in a wide range of applications since it enjoys a linear complexity w.r.t. number of original columns/rows. We demonstrated the application of TWSP for joint channel and sensor selection in cognitive radio networks, informative users and contents detection, and efficient supervised data reduction." @default.
- W4287120145 created "2022-07-25" @default.
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- W4287120145 date "2021-06-13" @default.
- W4287120145 modified "2023-10-15" @default.
- W4287120145 title "Two-way Spectrum Pursuit for CUR Decomposition and Its Application in Joint Column/Row Subset Selection" @default.
- W4287120145 doi "https://doi.org/10.48550/arxiv.2106.06983" @default.
- W4287120145 hasPublicationYear "2021" @default.
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