How Do Recommendation Models Amplify Popularity Bias? An Analysis from the Spectral Perspective

no code implementations • 18 Apr 2024 • Siyi Lin, Chongming Gao, Jiawei Chen, Sheng Zhou, Binbin Hu, Chun Chen, Can Wang

Building on these insights, we propose a novel debiasing strategy that leverages a spectral norm regularizer to penalize the magnitude of the principal singular value.

Fairness Recommendation Systems