一作SIGIR 2026Oral· Information Retrieval (Full)
Post-hoc Provider Fairness Adaptation via Hierarchical Exposure Alignment
Jingzhi Li · Zhiyong Cheng · Richang Hong · Meng Wang
摘要
Provider exposure fairness is crucial for sustaining a healthy content ecosystem and preventing monopolization in recommender systems. Yet, most existing methods either incorporate fairness constraints during model training, requiring expensive retraining when fairness objectives change, or rely...