DualSpectralCF attaches a signed user signal and a signed item-item operator to any spectral CF backbone, matching or beating its unsigned version on all five tested datasets with only two hyperparameters.
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DualSpectralCF: Training-Free Sign-Aware Spectral Collaborative Filtering
DualSpectralCF attaches a signed user signal and a signed item-item operator to any spectral CF backbone, matching or beating its unsigned version on all five tested datasets with only two hyperparameters.