2 papers
cs.IR2026
Why not Collaborative Filtering in Dual View? Bridging Sparse and Dense Models
Hanze Guo, Jianxun Lian, Xiao Zhou
Collaborative Filtering (CF) remains the cornerstone of modern recommender systems, with dense embedding--based methods dominating current practice. However, these approaches suffe…
cs.IR2025
Tricolore: Multi-Behavior User Profiling for Enhanced Candidate Generation in Recommender Systems
Xiao Zhou, Zhongxiang Zhao, Hanze Guo
Online platforms aggregate extensive user feedback across diverse behaviors, providing a rich source for enhancing user engagement. Traditional recommender systems, however, typica…