User profiles for Zhishang Xiang

Zhishang Xiang

Xiamen University
Verified email at stu.xmu.edu.cn
Cited by 279

When to use graphs in rag: A comprehensive analysis for graph retrieval-augmented generation

Z Xiang, C Wu, Q Zhang, S Chen, Z Hong… - International …, 2026 - proceedings.iclr.cc
Graph retrieval-augmented generation (GraphRAG) has emerged as a powerful paradigm for
enhancing large language models (LLMs) with external knowledge. It leverages graphs to …

FaithfulRAG: Fact-level conflict modeling for context-faithful retrieval-augmented generation

Q Zhang, Z Xiang, Y Xiao, L Wang, J Li… - Proceedings of the …, 2025 - aclanthology.org
Large language models (LLMs) augmented with retrieval systems have demonstrated significant
potential in handling knowledge-intensive tasks. However, these models often struggle …

Graph-based agent memory: Taxonomy, techniques, and applications

…, Y Zhang, Z Wang, Z Hong, Z Yuan, Z Xiang… - arXiv preprint arXiv …, 2026 - arxiv.org
Memory emerges as the core module in the Large Language Model (LLM)-based agents for
long-horizon complex tasks (eg, multi-turn dialogue, game playing, scientific discovery), …

A systematic survey of self-evolving agents: From model-centric to environment-driven co-evolution

Z Xiang, C Yang, Z Chen, Z Wei, Y Tang, Z Teng… - 2026 - techrxiv.org
The rapid advancement of Large Language Models (LLMs) has empowered autonomous
agents with advanced reasoning, planning, and tool-use capabilities. However, traditional …

MemGraphRAG: Memory-based Multi-Agent System for Graph Retrieval-Augmented Generation

C Wu, Z Xiang, Y Tang, Z Chen, Q Zhang… - Proceedings of the 32nd …, 2026 - dl.acm.org
Retrieval-Augmented Generation (RAG) has become an essential method for mitigating
hallucinations in Large Language Models (LLMs) by leveraging external knowledge. Although …

Ttcs: Test-time curriculum synthesis for self-evolving

C Yang, Z Xiang, Y Tang, Z Teng, C Huang… - arXiv preprint arXiv …, 2026 - arxiv.org
Test-Time Training offers a promising way to improve the reasoning ability of large language
models (LLMs) by adapting the model using only the test questions. However, existing …

LegalGraphRAG: Multi-Agent Graph Retrieval-Augmented Generation for Reliable Legal Reasoning

Z Chen, Q Zhang, Z Xiang, Z Wei, L Gao… - Proceedings of the …, 2026 - aclanthology.org
Graph-based Retrieval-Augmented Generation (GraphRAG) advances flat document
retrieval by structuring knowledge as relational graphs, enabling more coherent and effective …

ZeroUnlearn: Few-Shot Knowledge Unlearning in Large Language Models

Y Lin, C Yang, Z Xiang, Y Song, J Su - arXiv preprint arXiv:2605.18879, 2026 - arxiv.org
Large language models inevitably retain sensitive information, defined as inputs that may
induce harmful generations, due to training on massive web corpora, raising concerns for …

HEALing Entropy Collapse: Enhancing Exploration in Few-Shot RLVR via Hybrid-Domain Entropy Dynamics Alignment

Z Liu, Q Hu, A Wang, C Liu, Z Xiang, H Li… - Proceedings of the …, 2026 - aclanthology.org
Reinforcement Learning with Verifiable Reward (RLVR) has proven effective for training
reasoning-oriented large language models, but existing methods largely assume high-resource …

Augmenting intra-modal understanding in MLLMs for robust multimodal keyphrase generation

J Cao, Q Zhang, Y Tang, Z Xiang, C Yang… - Proceedings of the AAAI …, 2026 - ojs.aaai.org
Multimodal keyphrase generation (MKP) aims to extract a concise set of keyphrases that
capture the essential meaning of paired image–text inputs, enabling structured understanding, …