Zhishang Xiang 🎓 M.S. student XMU-DeepLIT, Xiamen University Institute of Artificial Intelligence Supervised by Dr. Jinsong Su, also work closely with Dr. Qinggang Zhang xzs.xiang@hotmail.com Google Scholar GitHub

Biography

I am now a second-year M.S. student at Xiamen University, Institute of Artificial Intelligence. My research interests include Natural Language Processing (NLP), Retrieval-Augmented Generation (RAG) and Agentic Systems.

News

• [2026.08] We release Graph Engineering, a systematic survey on advancing LLM agents from individual intelligence to system intelligence.
• [2026.07] I joined ModelBest as a research intern, working on improving the agentic capabilities of MiniCPM.
• [2026.07] We release MemSyco-Bench, a benchmark for memory-induced sycophancy in agent systems.
• [2026.06] Our paper MemGraphRAG was accepted by KDD 2026.
• [2026.05] Our paper ZeroUnlearn was accepted by ICML 2026.
• [2026.04] Our paper LegalGraphRAG was accepted by ACL 2026.
• [2026.04] Our paper HEALing Entropy Collapse was accepted by ACL 2026.
• [2026.03] Our paper TTCS was accepted by ICLR 2026 Workshop.
• [2026.02] We release Graph-based Agent Memory, a taxonomy of graph-structured memory for agent systems.
• [2026.02] We release Self-Evolving Survey, a systematic survey of Self-Evolving Agents.
• [2026.01] Our paper GraphRAG-Bench was accepted by ICLR 2026.
• [2026.01] Our paper Augmenting Intra-Modal Understanding in MLLMs for Robust Multimodal Keyphrase Generation was accepted by AAAI 2026.
• [2025.08] FaithfulRAG received the ACL’25 SAC Highlight Award (top 0.57%).
• [2025.05] Our paper FaithfulRAG was accepted by ACL 2025.

Lead Projects

• 

  Graph Engineering in the Era of LLM Agents: From Individual Intelligence to System Intelligence.
  Yuyuan Feng†, Zhishang Xiang†, Chaobin Yang†, Qichao Ma†, Zerui Chen, Yujing Zhang, Ke Huang, Chuanjie Wu, Zhaoxu Liu, Yili Wang, Xin He, Jiapu Wang, Zijin Hong, Hao Chen, Yuanchen Bei, Kun Wang, Shengyuan Chen, Ningyu Zhang, Enyan Dai, Linhao Luo, Qingyi Pan, Qi Wang, Wenqi Fan, Guangjing Wang, Na Zou, Yangqiu Song, Xin Wang, Zechao Li, Xia Hu, Qing Li, Xiao Huang, Zhihong Zhang*, Jinsong Su*, Qinggang Zhang*, Yi Chang*.
  Preprint (arXiv:2608.21156).
  [Paper] [Resources]
• 

  FaithfulRAG: Fact-Level Conflict Modeling for Context-Faithful Retrieval-Augmented Generation.
  Qinggang Zhang†, Zhishang Xiang†, Yilin Xiao, Le Wang, Junhui Li, Xinrun Wang, Jinsong Su*.
  The 63rd Annual Meeting of the Association for Computational Linguistics (ACL 2025 SAC-highlight).
  [Paper] [Code]
• 

  When to use Graphs in RAG: A Comprehensive Analysis for Graph Retrieval-Augmented Generation.
  Zhishang Xiang†, Chuanjie Wu†, Qinggang Zhang*, Shengyuan Chen, Zijin Hong, Xiao Huang, Jinsong Su*.
  The 14th International Conference on Learning Representations (ICLR 2026).
  [Paper] [Code]
  

  A Systematic Survey of Self-Evolving Agents: From Model-Centric to Environment-Driven Co-Evolution.
  Zhishang Xiang†, Chengyi Yang†, Zerui Chen, Zhimin Wei, Yunbo Tang, Zongpei Teng, Zexi Peng, Zongxia Li, Chengsong Huang, Yicheng He, Chang Yang, Xinrun Wang, Xiao Huang, Qinggang Zhang*, Jinsong Su*.
  Preprints (techrxiv.177203250.05832634).
  [Paper] [Resources]
• 

  MemGraphRAG: Memory-based Multi-Agent System for Graph Retrieval-Augmented Generation.
  Chuanjie Wu†, Zhishang Xiang†, Yunbo Tang, Zerui Chen, Qinggang Zhang*, Jinsong Su*.
  The 32nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2026).
  [Paper] [Code]
• 

  MemSyco-Bench: Benchmarking Sycophancy in Agent Memory.
  Zhishang Xiang†, Zerui Chen†, Yunbo Tang, Zhimin Wei, Ruqin Ning, Yujie Lin, Qinggang Zhang*, Jinsong Su*.
  Preprint (arXiv:2607.01071).
  [Paper] [Code]

Internship Experience

• Research Intern, Foundation Model Group, ModelBest.
  July 2026 - Present.
  Working on improving the agentic capabilities for MiniCPM.

  

Publications

• Graph Engineering in the Era of LLM Agents: From Individual Intelligence to System Intelligence.
  Yuyuan Feng†, Zhishang Xiang†, Chaobin Yang†, Qichao Ma†, Zerui Chen, Yujing Zhang, Ke Huang, Chuanjie Wu, Zhaoxu Liu, Yili Wang, Xin He, Jiapu Wang, Zijin Hong, Hao Chen, Yuanchen Bei, Kun Wang, Shengyuan Chen, Ningyu Zhang, Enyan Dai, Linhao Luo, Qingyi Pan, Qi Wang, Wenqi Fan, Guangjing Wang, Na Zou, Yangqiu Song, Xin Wang, Zechao Li, Xia Hu, Qing Li, Xiao Huang, Zhihong Zhang*, Jinsong Su*, Qinggang Zhang*, Yi Chang*.
  Preprint. [Paper] [Resources]
• MemSyco-Bench: Benchmarking Sycophancy in Agent Memory.
  Zhishang Xiang†, Zerui Chen†, Yunbo Tang, Zhimin Wei, Ruqin Ning, Yujie Lin, Qinggang Zhang*, Jinsong Su*.
  Preprint. [Paper] [Code]
• MemGraphRAG: Memory-based Multi-Agent System for Graph Retrieval-Augmented Generation.
  Chuanjie Wu†, Zhishang Xiang†, Yunbo Tang, Zerui Chen, Qinggang Zhang*, Jinsong Su*.
  KDD 2026. [Paper] [Code]
• ZeroUnlearn: Few-Shot Knowledge Unlearning in Large Language Models.
  Yujie Lin†, Chengyi Yang†, Zhishang Xiang, Yiping Song, Jinsong Su*.
  ICML 2026. [Paper] [Code]
• LegalGraphRAG: Multi-Agent Graph Retrieval-Augmented Generation for Reliable Legal Reasoning.
  Zerui Chen, Qinggang Zhang*, Zhishang Xiang, Zhimin Wei, Linfeng Gao, Xiao Huang, Zhihong Zhang*, Jinsong Su*.
  ACL 2026. [Paper] [Code]
• HEALing Entropy Collapse: Enhancing Exploration in Few-Shot RLVR via Hybrid-Domain Entropy Dynamics Alignment.
  Zhanyu Liu, Qingguo Hu, Ante Wang, Chenqing Liu, Zhishang Xiang, Hui Li, Delai Qiu, Jinsong Su*.
  ACL 2026. [Paper]
• Augmenting Intra-Modal Understanding in MLLMs for Robust Multimodal Keyphrase Generation.
  Jiajun Cao, Qinggang Zhang, Yunbo Tang, Zhishang Xiang, Chang Yang, Jinsong Su*.
  AAAI 2026. [Paper]
• TTCS: Test-Time Curriculum Synthesis for Self-Evolving.
  Chengyi Yang, Zhishang Xiang, Yunbo Tang, Zongpei Teng, Chengsong Huang, Fei Long, Yuhan Liu, Jinsong Su*.
  ICLR 2026 Workshop. [Paper] [Code]
• A Systematic Survey of Self-Evolving Agents: From Model-Centric to Environment-Driven Co-Evolution.
  Zhishang Xiang†, Chengyi Yang†, Zerui Chen, Zhimin Wei, Yunbo Tang, Zongpei Teng, Zexi Peng, Zongxia Li, Chengsong Huang, Yicheng He, Chang Yang, Xinrun Wang, Xiao Huang, Qinggang Zhang*, Jinsong Su*.
  Preprint. [Paper] [Resources]
• Graph-based Agent Memory: Taxonomy, Techniques, and Applications.
  Chang Yang, Chuang Zhou, Yilin Xiao, Su Dong, Luyao Zhuang, Yujing Zhang, Zhu Wang, Zijin Hong, Zheng Yuan, Zhishang Xiang, Shengyuan Chen, Huachi Zhou, Qinggang Zhang, Ninghao Liu, Jinsong Su, Xinrun Wang, Yi Chang, Xiao Huang.
  Preprint. [Paper]
• When to use Graphs in RAG: A Comprehensive Analysis for Graph Retrieval-Augmented Generation.
  Zhishang Xiang†, Chuanjie Wu†, Qinggang Zhang*, Shengyuan Chen, Zijin Hong, Xiao Huang, Jinsong Su*.
  ICLR 2026. [Paper] [Code]
• FaithfulRAG: Fact-Level Conflict Modeling for Context-Faithful Retrieval-Augmented Generation.
  Qinggang Zhang†, Zhishang Xiang†, Yilin Xiao, Le Wang, Junhui Li, Xinrun Wang, Jinsong Su*.
  ACL 2025 SAC-highlight. [Paper] [Code]

Awards and Honors

• ACL'25 SAC-highlight award
• Outstanding graduate award
• National scholarships in 2024
• The Second Class Prize in ASC student supercomputer challenge 2024

Academic Service

• Invited Reviewer: ACL26, ICLR26(workshop), NeurIPS26, COLM26, CIKM26, AAAI26