My name is Yifan Wang (王亦凡 in Chinese). I am now a fourth year Ph.D. student in THUIR, Department of Computer Science and Technology, Tsinghua University. My supervisors are Prof. Shaoping Ma and Prof. Min Zhang. My major research interests are about trustworthy user modeling, debiased recommendation, fair recommendation, and etc.

Publications

• Double Correction Framework for Denoising Recommendation.
  Zhuangzhuang He*, Yifan Wang*, Yonghui Yang, Peijie Sun, Le Wu, Haoyue Bai, Jinqi Gong, Richang Hong, Min Zhang. (* Equal contribution)
  The 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining. (KDD 2024, Full Paper, Oral Presentation). [paper] [code]

• Popularity-Aware Alignment and Contrast for Mitigating Popularity Bias.
  Miaomiao Cai, Lei Chen, Yifan Wang, Haoyue Bai, Peijie Sun, Le Wu, Min Zhang, Meng Wang.
  The 30th ACM SIGKDD Conference on Knowledge Discovery and Data Mining. (KDD 2024, Full Paper, Oral Presentation). [paper] [code]

• Intersectional Two-sided Fairness in Recommendation.
  Yifan Wang, Peijie Sun, Weizhi Ma, Min Zhang, Yuan Zhang, Peng Jiang, Shaoping Ma.
  The ACM on Web Conference 2024. (WWW 2024, Full Paper, Oral Presentation). [paper] [code]

• Collaborative-Enhanced Prediction of Spending on Newly Downloaded Mobile Games under Consumption Uncertainty.
  Peijie Sun, Yifan Wang, Min Zhang, Chuhan Wu, Yan Fang, Hong Zhu, Yuan Fang, Meng Wang.
  The ACM on Web Conference 2024. (WWW 2024, Full Paper, Oral Presentation). [paper] [code]

• Unbiased Delayed Feedback Label Correction for Conversion Rate Prediction.
  Yifan Wang, Peijie Sun, Min Zhang, Qinglin Jia, Jingjie Li, Shaoping Ma.
  The 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining. (KDD 2024, Full Paper, Oral Presentation). [paper] [code]

• A Survey on the Fairness of Recommender Systems.
  Yifan Wang, Weizhi Ma, Min Zhang, Yiqun Liu, Shaoping Ma.
  ACM Transactions on Information Systems. (TOIS, Journal) [paper]

• User perception of recommendation explanation: Are your explanations what users need?
  Hongyu Lu, Weizhi Ma, Yifan Wang, Min Zhang, Xiang Wang, Yiqun Liu, Tat-Seng Chua, Shaoping Ma.
  ACM Transactions on Information Systems. (TOIS, Journal) [paper]

Education

• 2021-present, Ph.D. student, Computer Science and Technology, Tsinghua University.
• 2017-2021, B.E., Computer Science and Technology, Tsinghua University.

Honors and Awards

• 2023, JiuKun Scholarship, Tsinghua University.
• 2022, Wuhan Elite Scholarship, Tsinghua University.
• 2021, Excellent Graduate, Tsinghua University.