collaborators

5 papers

cs.AI2025

See or Say Graphs: Agent-Driven Scalable Graph Structure Understanding with Vision-Language Models

Shuo Han, Yukun Cao, Zezhong Ding +3

Vision-language models (VLMs) have shown promise in graph structure understanding, but remain limited by input-token constraints, facing scalability bottlenecks and lacking effecti…

cs.LG2025

Lego Sketch: A Scalable Memory-augmented Neural Network for Sketching Data Streams

Yuan Feng, Yukun Cao, Hairu Wang +2

Sketches, probabilistic structures for estimating item frequencies in infinite data streams with limited space, are widely used across various domains. Recent studies have shifted…

cs.IR2025

SkewRoute: Training-Free LLM Routing for Knowledge Graph Retrieval-Augmented Generation via Score Skewness of Retrieved Context

Hairu Wang, Yuan Feng, Yukun Cao +2

Large language models excel at many tasks but often incur high inference costs during deployment. To mitigate hallucination, many systems use a knowledge graph to enhance retrieval…

cs.CL2025

FRAG: A Flexible Modular Framework for Retrieval-Augmented Generation based on Knowledge Graphs

Zengyi Gao, Yukun Cao, Hairu Wang +4

To mitigate the hallucination and knowledge deficiency in large language models (LLMs), Knowledge Graph (KG)-based Retrieval-Augmented Generation (RAG) has shown promising potentia…

cs.AI2024

LEGO-GraphRAG: Modularizing Graph-based Retrieval-Augmented Generation for Design Space Exploration

Yukun Cao, Zengyi Gao, Zhiyang Li +3

GraphRAG integrates (knowledge) graphs with large language models (LLMs) to improve reasoning accuracy and contextual relevance. Despite its promising applications and strong relev…