Hi there! I’m a PhD student of Information Retrieval Lab at Shandong University, supervised by Prof. Jun Ma, Prof. Pengjie Ren and Prof. Xin Xin. I also work closely with Prof. Zhaochun Ren and Prof. Mengqi Zhang. My research interest is mainly recommender system and large language model.
Email address: jiyuan.yang at mail.sdu.edu.cn
Please feel free to contact me if you have any questions.
📝 Papers
[1] On the User Behavior Leakage from Recommender System Exposure - TOIS 2023 (CCF A) | 
[2] 基于自监督的预训练在推荐系统中的研究综述 - CCIR 2023 |
Jiyuan Yang, Muyang Ma, Pengjie Ren, Zhumin Chen, Zhaochun Ren, Xin Xin, Fei Cai, Jun Ma
[3] Debiasing Sequential Recommenders through Distributionally Robust Optimization over System Exposure - WSDM 2024 (CCF B, Best paper honorable mention) |
Jiyuan Yang, Yue Ding, Yidan Wang, Pengjie Ren, Zhumin Chen, Fei Cai, Jun Ma, Rui Zhang, Zhaochun Ren, Xin Xin
[4] Uncovering Selective State Space Model’s Capabilities in Lifelong Sequential Recommendation
- preprint |
Jiyuan Yang, Yuanzi Li, Jingyu Zhao, Hanbing Wang, Muyang Ma, Jun Ma, Zhaochun Ren, Mengqi Zhang, Xin Xin, Zhumin Chen, Pengjie Ren
[5] Enhanced generative recommendation via content and collaboration integration - CIKM 2024 (CCF B)
Yidan Wang, Zhaochun Ren, Weiwei Sun, Jiyuan Yang, Zhixiang Liang, Xin Chen, Ruobing Xie, Su Yan, Xu Zhang, Pengjie Ren, Zhumin Chen, Xin Xin
🎖 Honors and Awards
- 2024.02 WSDM 2024 Best paper honorable mention award (3/112).
- 2023.10 Dean’s Award, School of Computer Science and Technology at Shandong University.
- 2021.05 Third Prize of National College Student Software Innovation Competition (top 2%).
- 2016.10 First Prize in NOIP, China Computer Federation.
📖 Educations
- 2024.09 - Now, PhD, Shandong University, Qingdao. (Co-Supervised by Prof. Pengjie Ren and Prof. Xin Xin.)
- 2022.09 - 2024.08, MSc, Shandong University, Qingdao. (Supervised by Prof. Jun Ma, co-advised by Prof. Pengjie Ren and Prof. Xin Xin.)
- 2018.09 - 2022.06, Bachelor, Shandong University, Qingdao. (2018.09 - 2019.07, Software Engineering, Shandong University, Jinan).
💻 Internships
- 2021.10 - 2022.08, Research Assistant, Information Retrieval Lab, Shandong University.
💬 Others
- Teaching Assistant: Machine Learning course (2023 Fall, 2023 Spring, 2022 Fall, 2022 Spring), Software Engineering course (2023 Spring).
- Academic Service: Reviewer of Information Processing & Management (IP&M), Program Committee Member of SIGIR 2024.