collaborators

6 papers

cs.AI2026

Skill Discovery for Software Scripting Automation via Offline Simulations with LLMs

Paiheng Xu, Gang Wu, Xiang Chen +6

Scripting interfaces enable users to automate tasks and customize software workflows, but creating scripts traditionally requires programming expertise and familiarity with specifi…

cs.CL2025

DISCO Balances the Scales: Adaptive Domain- and Difficulty-Aware Reinforcement Learning on Imbalanced Data

Yuhang Zhou, Jing Zhu, Shengyi Qian +7

Large Language Models (LLMs) are increasingly aligned with human preferences through Reinforcement Learning from Human Feedback (RLHF). Among RLHF methods, Group Relative Policy Op…

cs.CL2025

Large Language Models Struggle to Describe the Haystack without Human Help: Human-in-the-loop Evaluation of Topic Models

Zongxia Li, Lorena Calvo-Bartolomé, Alexander Hoyle +4

A common use of NLP is to facilitate the understanding of large document collections, with a shift from using traditional topic models to Large Language Models. Yet the effectivene…

cs.CL2025

Emojis Decoded: Leveraging ChatGPT for Enhanced Understanding in Social Media Communications

Yuhang Zhou, Paiheng Xu, Xiyao Wang +3

Emojis, which encapsulate semantics beyond mere words or phrases, have become prevalent in social network communications. This has spurred increasing scholarly interest in explorin…

cs.CL2025

Large Language Models and Causal Inference in Collaboration: A Survey

Xiaoyu Liu, Paiheng Xu, Junda Wu +10

Causal inference has shown potential in enhancing the predictive accuracy, fairness, robustness, and explainability of Natural Language Processing (NLP) models by capturing causal…

cs.LG2025

GFairHint: Improving Individual Fairness for Graph Neural Networks via Fairness Hint

Paiheng Xu, Yuhang Zhou, Bang An +2

Given the growing concerns about fairness in machine learning and the impressive performance of Graph Neural Networks (GNNs) on graph data learning, algorithmic fairness in GNNs ha…