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- W2902307923 abstract "We propose a unified scalable computing framework for three versions of spectral clustering - Normalized Cut (Shi and Malik, 2000), the Ng-Jordan-Weiss (NJW) algorithm (2001), and Diffusion Maps (Coifman and Lafon, 2006), in the setting of cosine similarity. We assume that the input data is either sparse (e.g., as a document-term frequency matrix) or of only a few hundred dimensions (e.g., for small images or data obtained through PCA). We show that in such cases, spectral clustering can be implemented solely based on efficient operations on the data matrix such as elementwise manipulation, matrix-vector multiplication and low-rank SVD, thus entirely avoiding the weight matrix. Our algorithm is simple to implement, fast to run, accurate and robust to outliers. We demonstrate its superior performance through extensive experiments which compare our scalable algorithm with the plain implementation on several benchmark data sets." @default.
- W2902307923 created "2018-12-11" @default.
- W2902307923 creator A5010106825 @default.
- W2902307923 date "2018-08-01" @default.
- W2902307923 modified "2023-09-30" @default.
- W2902307923 title "Scalable spectral clustering with cosine similarity" @default.
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- W2902307923 doi "https://doi.org/10.1109/icpr.2018.8546193" @default.
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