Publications

Recommender Systems

• [WWW ‘26 HCRS] From Aggregation to Selection: User-Validated Distributed Social Recommendation
  Jingyuan Huang, Dan Luo, Zihe Ye, Weixin Chen, Minghao Guo, Yongfeng Zhang
  (Oral) The 2nd Workshop on Human-Centered Recommender Systems, WWW 2026.
  [Paper] [Code]

• [SIGIR ‘24] TGOnline: Enhancing Temporal Graph Learning with Adaptive Online Meta-Learning
  Ruijie Wang, Jingyuan Huang, Yutong Zhang, Jinyang Li, Yufeng Wang, Wanyu Zhao, Shengzhong Liu, Charith Mendis and Tarek Abdelzaher
  The 47th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR), 2024.
  [Paper]

Agentic AI and Memory-Augmented Systems

• [EACL ‘26] H-Mem: Hybrid Multi-Dimensional Memory Management for Long-Context Conversational Agents
  Zihe Ye, Jingyuan Huang, Weixin Chen, Yongfeng Zhang
  The 19th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2026).

• MemRec: Collaborative Memory-Augmented Agentic Recommender System
  Weixin Chen, Yuhan Zhao, Jingyuan Huang, Zihe Ye, Clark Mingxuan Ju, Tong Zhao, Neil Shah, Li Chen, Yongfeng Zhang
  Preprint
  [Paper] [Website]

LLM and LLM Agents

• [ICLR ‘25] Agent Security Bench (ASB): Formalizing and Benchmarking Attacks and Defenses in LLM-based Agents
  Hanrong Zhang, Jingyuan Huang, Kai Mei, Yifei Yao, Zhenting Wang, Chenlu Zhan, Hongwei Wang, Yongfeng Zhang
  The 13th International Conference on Learning Representations (ICLR 2025)
  [Paper] [Website]

• [COLING ‘25] Exploring Concept Depth: How Large Language Models Acquire Knowledge at Different Layers?
  Mingyu Jin🌟, Qinkai Yu🌟, Jingyuan Huang🌟, Qingcheng Zeng🌟, Zhenting Wang, Wenyue Hua, Haiyan Zhao, Kai Mei, Yanda Meng, Kaize Ding, Fan Yang, Mengnan Du, Yongfeng Zhang
  The 31st International Conference on Computational Linguistics (COLING 2025)
  [Paper] [Website]

• [WWW ‘26 HCRS] ReaGAN: Node-as-Agent-Reasoning Graph Agentic Network
  Minghao Guo, Xi Zhu, Haochen Xue, Chong Zhang, Shuhang Lin, Jingyuan Huang, Ziyi Ye, Yongfeng Zhang
  The 2nd Workshop on Human-Centered Recommender Systems, WWW 2026.
  [Paper]

• LLM as GNN: Graph Vocabulary Learning for Text-Attributed Graph Foundation Models
  Xi Zhu🌟, Haochen Xue🌟, Ziwei Zhao, Wujiang Xu, Jingyuan Huang, Minghao Guo, Qifan Wang, Kaixiong Zhou, Imran Razzak, Yongfeng Zhang
  Preprint
  [Paper] [Code]

(🌟 indicates equal contributions)