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Learning instrumental variable representation for debiasing in recommender systems
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AI
DOI：10.1016/j.neunet.2025.107977.png)
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Abstract
En 中文
• DIVRS: A debiasing method learning SIV representation to ease IV selection. • DIVRS-GCN: An extension of DIVRS for GCN, integrating OPR for effective adaptation. • Experiments show DIVRS and DIVRS-GCN mitigate bias and improve recommendation quality.
Keywords:
Recommender systems
Instrumental variable
Confounding bias
Latent confounders
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