2 papers
cs.IR2023
Neighbor Based Enhancement for the Long-Tail Ranking Problem in Video Rank Models
Xuanji Xiao, Ziyu He
Rank models play a key role in industrial recommender systems, advertising, and search engines. Existing works utilize semantic tags and user-item interaction behaviors, e.g., clic…
cs.IR2023
On Modeling Long-Term User Engagement from Stochastic Feedback
Guoxi Zhang, Xing Yao, Xuanji Xiao
An ultimate goal of recommender systems (RS) is to improve user engagement. Reinforcement learning (RL) is a promising paradigm for this goal, as it directly optimizes overall perf…