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

@inproceedings{lin-2025-recommendation, author = {Siyi Lin and Chongming Gao and Jiawei Chen and Sheng Zhou and Binbin Hu and Yan Feng and Chun Chen and Can Wang}, editor = {Wolfgang Nejdl and S\"{o}ren Auer and Meeyoung Cha and Marie-Francine Moens and Marc Najork}, title = {{How Do Recommendation Models Amplify Popularity Bias? An Analysis from the Spectral Perspective}}, booktitle = {{Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025}}, pages = {659--668}, publisher = {ACM}, year = {2025}, url = {https://doi.org/10.1145/3701551.3703579}, doi = {https://doi.org/10.1145/3701551.3703579} }