3 papers
cs.IR2025
Causality Enhancement for Cross-Domain Recommendation
Zhibo Wu, Yunfan Wu, Lin Jiang +2
Cross-domain recommendation forms a crucial component in recommendation systems. It leverages auxiliary information through source domain tasks or features to enhance target domain…
cs.IR2025
GemiRec: Interest Quantization and Generation for Multi-Interest Recommendation
Zhibo Wu, Yunfan Wu, Quan Liu +3
Multi-interest recommendation has gained attention, especially in industrial retrieval stage. Unlike classical dual-tower methods, it generates multiple user representations instea…
math.OC2023
Efficient Stochastic Approximation of Minimax Excess Risk Optimization
Lijun Zhang, Haomin Bai, Wei-Wei Tu +2
While traditional distributionally robust optimization (DRO) aims to minimize the maximal risk over a set of distributions, Agarwal and Zhang (2022) recently proposed a variant tha…