Recommender System

Advancing Loss Functions in Recommender Systems: A Comparative Study with a Rényi Divergence-Based Solution
Loss functions play a pivotal role in optimizing recommendation models. Among various loss functions, Softmax Loss (SL) and Cosine …
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How Do Recommendation Models Amplify Popularity Bias? An Analysis from the Spectral Perspective
Recommendation Systems (RS) are often plagued by popularity bias. When training a recommendation model on a typically long-tailed …
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