activity
20192023
most citedConversational Contextual Bandit: Algorithm and Application

5 citations · 11 across the 6 of their papers we have counts for

collaborators

6 papers

cs.LG2023

Uncertainty-Aware Instance Reweighting for Off-Policy Learning

Xiaoying Zhang, Junpu Chen, Hongning Wang +4

Off-policy learning, referring to the procedure of policy optimization with access only to logged feedback data, has shown importance in various real-world applications, such as se…

cs.IR2023

Disentangled Representation for Diversified Recommendations

Xiaoying Zhang, Hongning Wang, Hang Li

Accuracy and diversity have long been considered to be two conflicting goals for recommendations. We point out, however, that as the diversity is typically measured by certain pre-…

cs.AI2022

Learning to Counterfactually Explain Recommendations

Yuanshun Yao, Chong Wang, Hang Li

Recommender system practitioners are facing increasing pressure to explain recommendations. We explore how to explain recommendations using counterfactual logic, i.e. "Had you not…

cs.IR2022★ 3 cited

Forgetting Fast in Recommender Systems

Wenyan Liu, Juncheng Wan, Xiaoling Wang +3

Users of a recommender system may want part of their data being deleted, not only from the data repository but also from the underlying machine learning model, for privacy or utili…

cs.AI2022★ 3 cited

Counterfactually Evaluating Explanations in Recommender Systems

Yuanshun Yao, Chong Wang, Hang Li

Modern recommender systems face an increasing need to explain their recommendations. Despite considerable progress in this area, evaluating the quality of explanations remains a si…

cs.LG2019★ 5 cited

Conversational Contextual Bandit: Algorithm and Application

Xiaoying Zhang, Hong Xie, Hang Li +1

Contextual bandit algorithms provide principled online learning solutions to balance the exploitation-exploration trade-off in various applications such as recommender systems. How…