I am currently an PhD Student from the University of Hong Kong. My research interests include Recommendation System, Data Privacy, Graph Learning, Self-supervised Learning, Computer Vision, and Federated Learning.

I look forward to collaborating in the field of Recommendation and Graph Learning.

I am also seeking self-motivated collaborators.

Feel free to contact me via Email or WeChat.

📄 You can download my CV here.

🌟 📢 PostDoc Opportunity
I am looking for PostDoc opportunities in 26Fall related to Recommendation and Graph Learning, especially in labs based in the United States/Hong Kong/Singapore. My research interests include Recommendation System, Data Privacy, Graph Learning, Self-supervised Learning, Computer Vision, and Federated Learning. If our research interests align, please feel free to contact me via Email or WeChat.


🔥 News

  • 2025.10: 🎉 I serve as a reviewer for ICLR 2026.
  • 2025.10: 🌐 My new personal academic homepage is now online.
  • 2023.09-2025.10: 🎈 I have published more than 10 papers in top-tier conferences and journals as the first author, including 1 KDD, 2 SIGIR, 1 ACM MM, 1 RecSys (Spotlight Oral), 3 CIKM, 1 AAAI, 1 ICASSP, 1 TKDE, 1 TOIS, 1 TMM, and 1 Information Fusion.
  • 2023.09-2025.10:🎈 I have also contributed as a co-author to many outstanding works, including NDSS, TDSC, KDD, IROS (Oral), etc.
  • 2023.09-2025.10:📚️ I have served as a reviewer for over 10 top-tier conferences (e.g., ICLR, NeurIPS, KDD, SIGIR, etc.) and 5 top-tier journals (e.g., TKDE, TOIS, TII, TIT, etc.). Additionally, I was honored as an Outstanding Reviewer and invited as a Session Chair at KDD 2025.



📝 Selected Publications (Full List)

# indicates the authors with equal contributions, and * indicates the corresponding authors.

TMM 2025
A Survey on Multimodal Recommender Systems: Recent Advances and Future Directions
Jinfeng Xu, Zheyu Chen, Shuo Yang, Jinze Li, Wei Wang, Xiping Hu, Steven Hoi, and Edith Ngai
IEEE Transactions on Multimedia (TMM), 2025

TKDE 2025
Enhancing Robustness and Generalization Capability for Multimodal Recommender Systems via Sharpness-Aware Minimization
Jinfeng Xu, Zheyu Chen, Jinze Li, Shuo Yang, Wei Wang, Xiping Hu, Raymond Chi-Wing Wong, and Edith Ngai
IEEE Transactions on Knowledge and Data Engineering (TKDE), 2025

CIKM 2025
Enhancing Graph Collaborative Filtering with FourierKAN Feature Transformation
Jinfeng Xu, Zheyu Chen, Jinze Li, Shuo Yang, Wei Wang, Xiping Hu, and Edith Ngai
ACM International Conference on Information and Knowledge Management (CIKM), 2025

CIKM 2025
Hypercomplex Prompt-aware Multimodal Recommendation
Zheyu Chen #, Jinfeng Xu #, Hewei Wang, Shuo Yang, Zitong Wan and Haibo Hu
ACM International Conference on Information and Knowledge Management (CIKM), 2025

ACM MM 2025
The Best is Yet to Come: Graph Convolution in the Testing Phase for Multimodal Recommendation
Jinfeng Xu, Zheyu Chen, Shuo Yang, Jinze Li, and Edith Ngai
ACM International Conference on Multimedia (ACM MM), 2025

RecSys 2025 (Spotlight Oral)
NLGCL: Naturally Existing Neighbor Layers Graph Contrastive Learning for Recommendation
Jinfeng Xu, Zheyu Chen, Shuo Yang, Jinze Li, Hewei Wang, Wei Wang, Xiping Hu, and Edith Ngai
ACM Conference on Recommender Systems (RecSys), 2025

KDD 2025
MDVT: Enhancing Multimodal Recommendation with Model-Agnostic Multimodal-Driven Virtual Triplets
Jinfeng Xu, Zheyu Chen, Jinze Li, Shuo Yang, Hewei Wang, Yijie Li, Mengran Li, Puzhen Wu, and Edith Ngai
ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD), 2025

SIGIR 2025
COHESION: Composite Graph Convolutional Network with Dual-Stage Fusion for Multimodal Recommendation
Jinfeng Xu, Zheyu Chen, Wei Wang, Xiping Hu, Sang-Wook Kim, and Edith Ngai
ACM International Conference on Research and Development in Information Retrieval (SIGIR), 2025

SIGIR 2025
Squeeze and Excitation: A Weighted Graph Contrastive Learning for Collaborative Filtering
Zheyu Chen, Jinfeng Xu *, Yutong Wei, and Ziyue Peng
ACM International Conference on Research and Development in Information Retrieval (SIGIR), 2025

AAAI 2025
MENTOR: Multi-level Self-supervised Learning for Multimodal Recommendation
Jinfeng Xu, Zheyu Chen, Shuo Yang, Jinze Li, Hewei Wang, and Edith Ngai
The Association for the Advancement of Artificial Intelligence (AAAI), 2025

CIKM 2024
AlignGroup: Learning and Aligning Group Consensus with Member Preferences for Group Recommendation
Jinfeng Xu, Zheyu Chen, Jinze Li, Shuo Yang, Hewei Wang, and Edith Ngai
ACM International Conference on Information and Knowledge Management (CIKM), 2024

🎖 Honors and Awards

  • KDD’25 Outstanding Reviewer (Top 10%)

📖 Educations

2023.09 - 2026.07 (Expected)
PhD, University of Hong Kong

🙌 Other