collaborators

9 papers

cs.LG2026

Multimodal Representation Learning Conditioned on Semantic Relations

Yang Qiao, Yuntong Hu, Bowen Zhu +2

Multimodal representation learning has been largely driven by contrastive models such as CLIP, which learn a shared embedding space by aligning paired image-text samples. While eff…

cs.IR2026

LARGER: Lexically Anchored Repository Graph Exploration and Retrieval

Yuntong Hu, Tongli Su, Liang Zhao +2

Repository-level coding agents must first localize the files and symbols relevant to a task; failures at this stage can cascade across downstream objectives ranging from patch gene…

cs.IR2026

RAG without Forgetting: Continual Query-Infused Key Memory

Yuntong Hu, Sha Li, Naren Ramakrishnan +1

Retrieval-augmented generation (RAG) systems commonly improve robustness via query-time adaptations such as query expansion and iterative retrieval. While effective, these approach…

cs.LG2025

GRAG: Graph Retrieval-Augmented Generation

Yuntong Hu, Zhihan Lei, Zheng Zhang +3

Naive Retrieval-Augmented Generation (RAG) focuses on individual documents during retrieval and, as a result, falls short in handling networked documents which are very popular in…

cs.LG2025

GraphNarrator: Generating Textual Explanations for Graph Neural Networks

Bo Pan, Zhen Xiong, Guanchen Wu +3

Graph representation learning has garnered significant attention due to its broad applications in various domains, such as recommendation systems and social network analysis. Despi…

cs.CV2025

PolygonGNN: Representation Learning for Polygonal Geometries with Heterogeneous Visibility Graph

Dazhou Yu, Yuntong Hu, Yun Li +1

Polygon representation learning is essential for diverse applications, encompassing tasks such as shape coding, building pattern classification, and geographic question answering.…