Spectrum Shift Correction applies an affine transform to the augmented adjacency matrix to restore the [-1,1] spectral range assumed by LightGCN and JGCF, improving social and multimodal recommendation.
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Collaborative Filtering Meets Spectrum Shift: Connecting User-Item Interaction with Graph-Structured Side Information
Spectrum Shift Correction applies an affine transform to the augmented adjacency matrix to restore the [-1,1] spectral range assumed by LightGCN and JGCF, improving social and multimodal recommendation.