Renqi Jia

Renqi Jia

I am a third-year Ph.D. student in the Department of Computer Science at City University of Hong Kong advised by Prof. Chen Ma and Prof. Weitao Xu. My research focuses on data mining, data-driven AI, data valuation, and their applications in recommender system.

🔥 News

  • 2024.12:  🎉🎉 One paper about Data Valuation for Recommendation is accepted by SDM 2025.
  • 2024.11:  🎉🎉 One paper about Split Learning is accepted by IOT-J.
  • 2024.03:  🎉🎉 One paper about Data Efficient Sensing is accepted by CSCAIoTSys.
  • 2021.09:  🎉🎉 One paper about Group Recommendation is accepted by ICDM 2021.
  • 2021.02:  🎉🎉 One paper about Sequential Recommendation is accepted by ICDM 2021.

📝 Publications

  • SDM 2025 Renqi Jia, Xiaokun Zhang, Bowei He, Qiannan Zhu, Weitao Xu, Jiehao Chen and Chen Ma. “Beyond Models! Data Valuation and Metric Adaption for Recommendation”, in the SIAM International Conference on Data Mining, Alexandria Virginia, U.S., May 2025.
  • IoT-J Xingyu Feng, Renqi Jia, Chengwen Luo, Victor C.M. Leung, and Weitao Xu. “SLwF: A Split Learning without Forgetting Framework for Internet of Things”, in IEEE Internet of Things Journal, Early Access, December 2024.
  • CSCAIoTSys Workshop 2024 Shengzhe Lyu, Yongliang Chen, Di Duan, Renqi Jia, and Weitao Xu. “EarDA: Towards Accurate and Data-Efficient Earable Activity Sensing”.
  • ICDM 2021 Renqi Jia, Xiaofei Zhou, Linhua Dong, Shirui Pan. “Hypergraph convolutional network for group recommendation”, in IEEE International Conference on Data Mining, Auckland, New Zealand, December 2021.
  • IJCNN 2021 Renqi Jia, Xu Bai, Xiaofei Zhou, Shirui Pan. “A self-supervised learning framework for sequential recommendation”, in International Joint Conference on Neural Networks, Shenzhen, China, July 2021.

🎖 Honors and Awards

  • Outstanding Undergraduate Thesis Award, Wuhuan University, 2019.
  • National Encouragement Scholarship, 2018.
  • National Scholarship, 2017.
  • Zeng Xianzi Scholarship, 2016.

📖 Educations

  • PhD, School of Computer Science, City University of Hong Kong, Sep. 2022-Now.
  • Master, Institute of Information Engineering, University of Chinese Academy of Sciences, Sep.2019 - Jun. 2022.
  • Bachelor, School of Computer Science, Wuhan University, Sep. 2015 - Jun. 2019.

💻 Internships

  • Summer Intern, Recurrent AI Inc., Jun. 2021 – Aug. 2021
  • Summer Intern, ByteDance Inc., Jun. 2020 – Sept. 2020