collaborators

11 papers

cs.LG2026

Counterfactual Quotient Models: Learning What Actions Change, Not What the World Does

Junlin Chen, Ruijie Wang, Jianxin Li

Reinforcement-learning models commonly predict complete future states, observations, or feature occupancies, even though action selection depends only on differences between the co…

cs.LG2026

Surprisingly Simple and Effective Multi-Domain Graph Foundation Model through Graph-to-Table Alignment

Chunyu Hu, Tianyin Liao, Ge Lan +4

Graph Foundation Models (GFMs) have emerged as a promising paradigm for learning transferable representations across diverse graph domains. Recent advancements in GFMs have been la…

cs.AI2026

AdaSTORM: Scaling LLM Reasoning on Dynamic Graphs via Adaptive Spatio-Temporal Multi-Agent Collaboration

Bing Hao, Ruijie Wang, Haodong Qian +5

Large Language Models (LLMs) demonstrate remarkable potential in dynamic graph reasoning, but suffer from a scaling bottleneck: current models can only handle graphs with tens of n…

cs.LG2026

G2LoRA: Gradient Orthogonal Low-Rank Adaptation Framework for Graph Continual Learning on Text-Attributed Graphs

Yuhan Wang, Yibo Ding, Yutong Ye +4

LLM-as-Aligner has emerged as a prevalent pre-training paradigm for Text-Attributed Graphs(TAGS), aligning graph and text modalities into a shared embedding space via CLIP-style co…

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.CL2026

SmartThinker: Progressive Chain-of-Thought Length Calibration for Efficient Large Language Model Reasoning

Chenzhi Hu, Qinzhe Hu, Yuhang Xu +6

Large reasoning models (LRMs) like OpenAI o1 and DeepSeek-R1 achieve high accuracy on complex tasks by adopting long chain-of-thought (CoT) reasoning paths. However, the inherent v…

cs.LG2026

TFMLinker: Universal Link Predictor by Graph In-Context Learning with Tabular Foundation Models

Tianyin Liao, Chunyu Hu, Yicheng Sui +4

Link prediction is a fundamental task in graph machine learning with widespread applications such as recommendation systems, drug discovery, knowledge graphs, etc. In the foundatio…

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.CL2025

Global-Recent Semantic Reasoning on Dynamic Text-Attributed Graphs with Large Language Models

Yunan Wang, Jianxin Li, Ziwei Zhang

Dynamic Text-Attribute Graphs (DyTAGs), characterized by time-evolving graph interactions and associated text attributes, are prevalent in real-world applications. Existing methods…

cs.LG2025

Invariant Graph Transformer for Out-of-Distribution Generalization

Tianyin Liao, Ziwei Zhang, Yufei Sun +2

Graph Transformers (GTs) have demonstrated great effectiveness across various graph analytical tasks. However, the existing GTs focus on training and testing graph data originated…

cs.LG2025

GraphRAG-R1: Graph Retrieval-Augmented Generation with Process-Constrained Reinforcement Learning

Chuanyue Yu, Kuo Zhao, Yuhan Li +8

Graph Retrieval-Augmented Generation (GraphRAG) has shown great effectiveness in enhancing the reasoning abilities of LLMs by leveraging graph structures for knowledge representati…