collaborators

5 papers

cs.CL2026

ACE-GraphRAG: Agentic Context Engineering for Hierarchical GraphRAG

Yongfeng Huang, Yuren Lai, Ruiying Chen +3

Hierarchical Graph Retrieval-Augmented Generation (GraphRAG) organizes corpus knowledge at multiple levels of granularity, yet fixed context construction may fail to translate thes…

cs.CL2026

SEMA-RAG: A Self-Evolving Multi-Agent Retrieval-Augmented Generation Framework for Medical Reasoning

Yongfeng Huang, Ruiying Chen, James Cheng

Retrieval-Augmented Generation (RAG) is widely employed to mitigate risks such as hallucinations and knowledge obsolescence in medical question answering, yet its predominantly sin…

cs.AI2026

SCOPE and SCION: A Benchmark and an Auditable Reference Pipeline for Schema Induction and Fusion from Text

Miaobo Hu, Xiaobo Guo, Shuhao Hu +5

Schema graphs are an upstream bottleneck of schema-grounded information extraction and knowledge graph construction, yet most extraction systems assume the schema is already availa…

cs.CV2026

SAVER: Selective As-Needed Vision Evidence for Multimodal Information Extraction

Miaobo Hu, Shuhao Hu, Bokun Wang +5

Multimodal IE in social media is difficult because a post may attach multiple images that are weakly related, redundant, or even misleading with respect to the text. In this settin…

cs.AI2025

Evidence-Bound Autonomous Research (EviBound): A Governance Framework for Eliminating False Claims

Ruiying Chen

LLM-based autonomous research agents report false claims: tasks marked "complete" despite missing artifacts, contradictory metrics, or failed executions. EviBound is an evidence-bo…