New PBiLoss method improves fairness in graph-based recommender systems

Researchers have developed PBiLoss, a new regularization technique to address popularity bias in graph-based recommender systems. This method aims to improve fairness by penalizing the over-recommendation of popular items, thereby promoting more personalized content. PBiLoss is designed to be model-agnostic and can be integrated into existing frameworks like LightGCN. Experiments showed a reduction in popularity bias metrics by up to 10% while maintaining recommendation accuracy. AI

影响 Introduces a novel regularization technique to enhance fairness and personalization in graph-based recommender systems.

排序理由 This is a research paper detailing a new method for improving fairness in recommender systems.

在 arXiv cs.AI 阅读 →

• arXiv
• Epinions
• iFashion
• LightGCN
• Mostafa Haghir Chehreghani
• MovieLens
• PBiLoss

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