collaborators

5 papers

cs.LG2026

FairGC: Fairness-aware Graph Condensation

Yihan Gao, Chenxi Huang, Wen Shi +5

Graph condensation (GC) has become a vital strategy for scaling Graph Neural Networks by compressing massive datasets into small, synthetic node sets. While current GC methods effe…

cs.CR2025

Stealthy Dual-Trigger Backdoors: Attacking Prompt Tuning in LM-Empowered Graph Foundation Models

Xiaoyu Xue, Yuni Lai, Chenxi Huang +4

The emergence of graph foundation models (GFMs), particularly those incorporating language models (LMs), has revolutionized graph learning and demonstrated remarkable performance o…

cs.AI2025

SalaMAnder: Shapley-based Mathematical Expression Attribution and Metric for Chain-of-Thought Reasoning

Yue Xin, Chen Shen, Shaotian Yan +5

Chain-of-Thought (CoT) prompting enhances the math reasoning capability of large language models (LLMs) to a large margin. However, the mechanism underlying such improvements remai…

cs.CL2025

Enhancing Chain-of-Thought Reasoning with Critical Representation Fine-tuning

Chenxi Huang, Shaotian Yan, Liang Xie +6

Representation Fine-tuning (ReFT), a recently proposed Parameter-Efficient Fine-Tuning (PEFT) method, has attracted widespread attention for significantly improving parameter effic…

cs.CL2025

Improving Complex Reasoning with Dynamic Prompt Corruption: A soft prompt Optimization Approach

Sinan Fan, Liang Xie, Chen Shen +7

Prompt-tuning (PT) for large language models (LLMs) can facilitate the performance on various conventional NLP tasks with significantly fewer trainable parameters. However, our inv…