activity
20242026
most citedHyperbolic Geometric Latent Diffusion Model for Graph Generation

2 citations · 3 across the 34 of their papers we have counts for

collaborators

37 papers

cs.AI2026

DualG-MRAG: Decoupling Macro-Reasoning and Micro-Matching for Multimodal Retrieval-Augmented Generation

Jiacheng Tao, Qingyun Sun, Haonan Yuan +2

While Multimodal Retrieval-Augmented Generation (MM-RAG) has shown promising results, it still struggles with complex multi-hop reasoning tasks. Existing methods primarily focus on…

cs.IR2026

Retrieving Minimal and Sufficient Reasoning Subgraphs with Graph Foundation Models for Path-aware GraphRAG

Haonan Yuan, Qingyun Sun, Junhua Shi +5

Graph-based retrieval-augmented generation (GraphRAG) exploits structured knowledge to support knowledge-intensive reasoning. However, most existing methods treat graphs as interme…

cs.AI2026

AgenticGEO: A Self-Evolving Agentic System for Generative Engine Optimization

Jiaqi Yuan, Jialu Wang, Zihan Wang +3

Generative search engines represent a transition from traditional ranking-based retrieval to Large Language Model (LLM)-based synthesis, transforming optimization goals from rankin…

cs.CV2026

Attention Sparsity is Input-Stable: Training-Free Sparse Attention for Video Generation via Offline Sparsity Profiling and Online QK Co-Clustering

Jiayi Luo, Jiayu Chen, Jiankun Wang +6

Diffusion Transformers (DiTs) achieve strong video generation quality but suffer from high inference cost due to dense 3D attention, motivating sparse attention techniques for impr…

cs.AI2026

Towards LLM-Empowered Knowledge Tracing via LLM-Student Hierarchical Behavior Alignment in Hyperbolic Space

Xingcheng Fu, Shengpeng Wang, Yisen Gao +4

Knowledge Tracing (KT) diagnoses students' concept mastery through continuous learning state monitoring in education.Existing methods primarily focus on studying behavioral sequenc…

cs.LG2026

Zero-shot Generalizable Graph Anomaly Detection with Mixture of Riemannian Experts

Xinyu Zhao, Qingyun Sun, Jiayi Luo +2

Graph Anomaly Detection (GAD) aims to identify irregular patterns in graph data, and recent works have explored zero-shot generalist GAD to enable generalization to unseen graph da…

cs.IR2026

Rich-Media Re-Ranker: A User Satisfaction-Driven LLM Re-ranking Framework for Rich-Media Search

Zihao Guo, Ligang Zhou, Zeyang Tang +5

Re-ranking plays a crucial role in modern information search systems by refining the ranking of initial search results to better satisfy user information needs. However, existing m…

cs.LG2026

RAG-GFM: Overcoming In-Memory Bottlenecks in Graph Foundation Models via Retrieval-Augmented Generation

Haonan Yuan, Qingyun Sun, Jiacheng Tao +2

Graph Foundation Models (GFMs) have emerged as a frontier in graph learning, which are expected to deliver transferable representations across diverse tasks. However, GFMs remain c…

cs.LG2026

Unlocking the Potentials of Retrieval-Augmented Generation for Diffusion Language Models

Chuanyue Yu, Jiahui Wang, Yuhan Li +6

Diffusion Language Models (DLMs) have recently demonstrated remarkable capabilities in natural language processing tasks. However, the potential of Retrieval-Augmented Generation (…

cs.LG2025

Is the Information Bottleneck Robust Enough? Towards Label-Noise Resistant Information Bottleneck Learning

Yi Huang, Qingyun Sun, Yisen Gao +3

The Information Bottleneck (IB) principle facilitates effective representation learning by preserving label-relevant information while compressing irrelevant information. However,…

cs.LG2025

SAGFM: Enhancing Robust Graph Foundation Models with Structure-Aware Semantic Augmentation

Junhua Shi, Qingyun Sun, Haonan Yuan +1

We present Graph Foundation Models (GFMs) which have made significant progress in various tasks, but their robustness against domain noise, structural perturbations, and adversaria…

cs.LG2025

Privacy Auditing of Multi-domain Graph Pre-trained Model under Membership Inference Attacks

Jiayi Luo, Qingyun Sun, Yuecen Wei +3

Multi-domain graph pre-training has emerged as a pivotal technique in developing graph foundation models. While it greatly improves the generalization of graph neural networks, its…

cs.CR2025

Towards Effective, Stealthy, and Persistent Backdoor Attacks Targeting Graph Foundation Models

Jiayi Luo, Qingyun Sun, Lingjuan Lyu +4

Graph Foundation Models (GFMs) are pre-trained on diverse source domains and adapted to unseen targets, enabling broad generalization for graph machine learning. Despite that GFMs…

cs.LG2025

Evolving Graph Learning for Out-of-Distribution Generalization in Non-stationary Environments

Qingyun Sun, Jiayi Luo, Haonan Yuan +4

Graph neural networks have shown remarkable success in exploiting the spatial and temporal patterns on dynamic graphs. However, existing GNNs exhibit poor generalization ability un…

cs.LG2025

GRAVER: Generative Graph Vocabularies for Robust Graph Foundation Models Fine-tuning

Haonan Yuan, Qingyun Sun, Junhua Shi +4

Inspired by the remarkable success of foundation models in language and vision, Graph Foundation Models (GFMs) hold significant promise for broad applicability across diverse graph…

cs.LG2025

GraphKeeper: Graph Domain-Incremental Learning via Knowledge Disentanglement and Preservation

Zihao Guo, Qingyun Sun, Ziwei Zhang +4

Graph incremental learning (GIL), which continuously updates graph models by sequential knowledge acquisition, has garnered significant interest recently. However, existing GIL app…

cs.AI2025

Unifying Deductive and Abductive Reasoning in Knowledge Graphs with Masked Diffusion Model

Yisen Gao, Jiaxin Bai, Yi Huang +3

Deductive and abductive reasoning are two critical paradigms for analyzing knowledge graphs, enabling applications from financial query answering to scientific discovery. Deductive…

cs.LG2025

Toward a Unified Geometry Understanding: Riemannian Diffusion Framework for Graph Generation and Prediction

Yisen Gao, Xingcheng Fu, Qingyun Sun +2

Graph diffusion models have made significant progress in learning structured graph data and have demonstrated strong potential for predictive tasks. Existing approaches typically e…

cs.RO2025

SDA-PLANNER: State-Dependency Aware Adaptive Planner for Embodied Task Planning

Zichao Shen, Chen Gao, Jiaqi Yuan +3

Embodied task planning requires agents to produce executable actions in a close-loop manner within the environment. With progressively improving capabilities of LLMs in task decomp…

cs.IR2025

DyG-RAG: Dynamic Graph Retrieval-Augmented Generation with Event-Centric Reasoning

Qingyun Sun, Jiaqi Yuan, Shan He +5

Graph Retrieval-Augmented Generation has emerged as a powerful paradigm for grounding large language models with external structured knowledge. However, existing Graph RAG methods…

cs.LG2025

Mitigating Message Imbalance in Fraud Detection with Dual-View Graph Representation Learning

Yudan Song, Yuecen Wei, Yuhang Lu +6

Graph representation learning has become a mainstream method for fraud detection due to its strong expressive power, which focuses on enhancing node representations through improve…

cs.LG2025

An Out-Of-Distribution Membership Inference Attack Approach for Cross-Domain Graph Attacks

Jinyan Wang, Liu Yang, Yuecen Wei +5

Graph Neural Network-based methods face privacy leakage risks due to the introduction of topological structures about the targets, which allows attackers to bypass the target's pri…

cs.AI2025

Controllable Logical Hypothesis Generation for Abductive Reasoning in Knowledge Graphs

Yisen Gao, Jiaxin Bai, Tianshi Zheng +5

Abductive reasoning in knowledge graphs aims to generate plausible logical hypotheses from observed entities, with broad applications in areas such as clinical diagnosis and scient…

cs.SI2025

BotUmc: An Uncertainty-Aware Twitter Bot Detection with Multi-view Causal Inference

Tao Yang, Yang Hu, Feihong Lu +3

Social bots have become widely known by users of social platforms. To prevent social bots from spreading harmful speech, many novel bot detections are proposed. However, with the e…