A Re-visit of the Popularity Baseline in Recommender Systems. - Yitong Ji; Aixin Sun; Jie Zhang 002; Chenliang Li (SIGIR, 2020)

On Offline Evaluation of Recommender Systems. - Yitong Ji; Aixin Sun; Jie Zhang 002; Chenliang Li (CoRR, 2020)

Do Loyal Users Enjoy Better Recommendations?: Understanding Recommender Accuracy from a Time Perspective. - Yitong Ji; Aixin Sun; Jie Zhang 002; Chenliang Li (ICTIR, 2022)

Recommender May Not Favor Loyal Users. - Yitong Ji; Aixin Sun; Jie Zhang 002; Chenliang Li (CoRR, 2022)

Retraining A Graph-based Recommender with Interests Disentanglement. - Yitong Ji; Aixin Sun; Jie Zhang 002 (CoRR, 2023)

A Critical Study on Data Leakage in Recommender System Offline Evaluation. - Yitong Ji; Aixin Sun; Jie Zhang 002; Chenliang Li (ACM Trans. Inf. Syst., 2023)

Hesitation and Tolerance in Recommender Systems. - Kuan Zou; Aixin Sun; Xuemeng Jiang; Yitong Ji; Hao Zhang 048; Jing Wang 060; Ruijie Guo (CoRR, 2024)

Our Model Achieves Excellent Performance on MovieLens: What Does It Mean? - Yu-Chen Fan; Yitong Ji; Jie Zhang 002; Aixin Sun (ACM Trans. Inf. Syst., 2024)