News


5 Apr 2025
One paper is accepted by SIGIR 2025 on calibration.

23 Sep 2024
One paper is accepted by ACM TORS on recommendation unlearning.

17 May 2024
One paper is accepted by KDD 2024 on multi-task learning for recommendation.

20 Oct 2023
One paper is accepted by WSDM 2024 about label learning for short video recommendation.

5 Aug 2023
One paper is accepted by CIKM 2023 about label debiasing for short video recommendation.

Yimeng Bai 

Email: baiyimeng77@gmail.com
GitHub Google Scholar
DBLP ORCID

I am currently in the first year of my PhD program at Lab for Data Science, USTC, with a research focus on recommender systems, particularly generative recommendation.

Education

University of Science and Technology of China (USTC)
PhD student in Cyber Science and Technology     Sep. 2022 - Now, Hefei, China
Advisor: Prof. Fuli Feng    Mentor: Dr. Yang Zhang
Beijing Jiaotong University (BJTU)
Bachelor in Science     Sep. 2018 - Jun. 2022, Beijing, China

Experiences

Research Intern, Kuaishou, Dec. 2022 - Aug. 2024
Mentor: Dr. Jing Lu  
Research Intern, ByteDance (TikTok), Sep. 2024 - Now
Mentor: Shaohui Ruan  

Publications


In the Year of 2025:


pdf
Unconstrained Monotonic Calibration of Predictions in Deep Ranking Systems
Yimeng Bai, Shunyu Zhang, Yang Zhang, Hu Liu, Wentian Bao, Enyun Yu, Fuli Feng, Wenwu Qu
SIGIR 2025 (Full Paper, Acceptance Rate: 21.5%).    Codes
In the Year of 2024:


pdf
Recommendation Unlearning via Influence Function
Yang Zhang, Zhiyu Hu, Yimeng Bai, Jiancan Wu, Qifan Wang, Fuli Feng
ACM TORS (Original Research).    Codes  

pdf
GradCraft: Elevating Multi-task Recommendations through Holistic Gradient Crafting
Yimeng Bai, Yang Zhang, Fuli Feng, Jing Lu, Xiaoxue Zang, Chenyi Lei, Yang Song
KDD 2024 (Applied Data Science, Acceptance Rate: 20%)    Codes

pdf
LabelCraft: Empowering Short Video Recommendations with Automated Label Crafting
Yimeng Bai, Yang Zhang, Jing Lu, Jianxin Chang, Xiaoxue Zang, Yanan Niu, Yang Song, Fuli Feng
WSDM 2024 (Poster, Acceptance Rate: 18%).    Codes
In the Year of 2023:


pdf
Leveraging Watch-time Feedback for Short-Video Recommendations: A Causal Labeling Framework
Yang Zhang, Yimeng Bai, Jianxin Chang, Xiaoxue Zang, Song Lu, Jing Lu, Fuli Feng, Yanan Niu, Yang Song
CIKM 2023 (Applied Research Paper, Acceptance Rate: 32%).    Codes

Last update: Apr 2025. Webpage template borrows from Prof. Xiangnan He.