Distributionally Robust Optimization

PSL: Rethinking and Improving Softmax Loss from Pairwise Perspective for Recommendation
Softmax Loss (SL) is widely applied in recommender systems (RS) and has demonstrated effectiveness. This work analyzes SL from a …
PDF Cite Code Dataset Poster Slides Video
BSL: Understanding and Improving Softmax Loss for Recommendation
Loss functions steer the optimization direction of recommendation models and are critical to model performance, but have received …
PDF Cite DOI