collaborators

12 papers

cs.IR2026

Graph Engineering in the Era of LLM Agents: From Individual Intelligence to System Intelligence

Yuyuan Feng, Zhishang Xiang, Chaobin Yang +32

LLMs have evolved from language generators to autonomous agents capable of complex, long-horizon tasks. This evolution has produced paradigms including Prompt Engineering to elicit…

cs.IR2026

MemSyco-Bench: Benchmarking Sycophancy in Agent Memory

Zhishang Xiang, Zerui Chen, Yunbo Tang +5

Memory has emerged as a cornerstone of modern LLM-based agents, supporting their evolution from single-turn assistants to long-term collaborators. However, memory is not always ben…

cs.AI2026

SAAS: Self-Aware Reinforcement Learning for Over-Search Mitigation in Agentic Search

Yunbo Tang, Chengyi Yang, Shiyu Liu +4

Agentic search enables LLMs to solve complex multi-hop questions through iterative reasoning and external search. Despite the effectiveness, these systems often suffer from a criti…

cs.IR2026

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

Chuanjie Wu, Zhishang Xiang, Yunbo Tang +3

Retrieval-Augmented Generation (RAG) has become an essential method for mitigating hallucinations in Large Language Models (LLMs) by leveraging external knowledge. Although effecti…

cs.CL2026

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

Zerui Chen, Qinggang Zhang, Zhishang Xiang +5

Graph-based Retrieval-Augmented Generation (GraphRAG) advances flat document retrieval by structuring knowledge as relational graphs, enabling more coherent and effective reasoning…

cs.AI2026

BAPO: Boundary-Aware Policy Optimization for Reliable Agentic Search

Shiyu Liu, Yongjing Yin, Jianhao Yan +7

RL-based agentic search enables LLMs to solve complex questions via dynamic planning and external search. While this approach significantly enhances accuracy with agent policies op…