Search Results for author: Zhenghua Dong

Found 3 papers, 2 papers with code

Debiased Model-based Interactive Recommendation

no code implementations24 Feb 2024 Zijian Li, Ruichu Cai, Haiqin Huang, Sili Zhang, Yuguang Yan, Zhifeng Hao, Zhenghua Dong

Existing model-based interactive recommendation systems are trained by querying a world model to capture the user preference, but learning the world model from historical logged data will easily suffer from bias issues such as popularity bias and sampling bias.

Contrastive Learning Recommendation Systems

Dually Enhanced Propensity Score Estimation in Sequential Recommendation

1 code implementation15 Mar 2023 Chen Xu, Jun Xu, Xu Chen, Zhenghua Dong, Ji-Rong Wen

According to the graph, two complementary propensity scores are estimated from the views of item and user, respectively, based on the same set of user feedback data.

Sequential Recommendation

P-MMF: Provider Max-min Fairness Re-ranking in Recommender System

1 code implementation12 Mar 2023 Chen Xu, Sirui Chen, Jun Xu, Weiran Shen, Xiao Zhang, Gang Wang, Zhenghua Dong

In this paper, we proposed an online re-ranking model named Provider Max-min Fairness Re-ranking (P-MMF) to tackle the problem.

Fairness Recommendation Systems +1

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