activity
20232026
most citedPitfalls in Link Prediction with Graph Neural Networks: Understanding the Impact of Target-link Inclusion & Better Practices

16 citations · 39 across the 14 of their papers we have counts for

collaborators

15 papers

cs.CL2026

Check The Scoreboard: An Analysis of Scoring Schemes on Multiple-Choice Evaluation

Nishant Balepur, Paiheng Xu, Wei Ai +3

Multiple-choice question answering (MCQA) benchmarks in NLP use number-right scoring (accuracy), but in educational testing, the scoring scheme, the combination of the response mod…

cs.CL2025

The Hidden Language of Harm: Examining the Role of Emojis in Harmful Online Communication and Content Moderation

Yuhang Zhou, Yimin Xiao, Wei Ai +1

Social media platforms have become central to modern communication, yet they also harbor offensive content that challenges platform safety and inclusivity. While prior research has…

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.AI2025

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

MergeME: Model Merging Techniques for Homogeneous and Heterogeneous MoEs

Yuhang Zhou, Giannis Karamanolakis, Victor Soto +5

The recent success of specialized Large Language Models (LLMs) in domains such as mathematical reasoning and coding has led to growing interest in methods for merging these expert…

cs.IR2024

CSRec: Rethinking Sequential Recommendation from A Causal Perspective

Xiaoyu Liu, Jiaxin Yuan, Yuhang Zhou +3

The essence of sequential recommender systems (RecSys) lies in understanding how users make decisions. Most existing approaches frame the task as sequential prediction based on use…

cs.CL2024★ 1 cited

Teaching-Assistant-in-the-Loop: Improving Knowledge Distillation from Imperfect Teacher Models in Low-Budget Scenarios

Yuhang Zhou, Wei Ai

There is increasing interest in distilling task-specific knowledge from large language models (LLM) to smaller student models. Nonetheless, LLM distillation presents a dual challen…

cs.CL2024

Multi-Stage Balanced Distillation: Addressing Long-Tail Challenges in Sequence-Level Knowledge Distillation

Yuhang Zhou, Jing Zhu, Paiheng Xu +5

Large language models (LLMs) have significantly advanced various natural language processing tasks, but deploying them remains computationally expensive. Knowledge distillation (KD…

cs.CL2024★ 14 cited

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.CY2024★ 1 cited

From Adoption to Adaption: Tracing the Diffusion of New Emojis on Twitter

Yuhang Zhou, Xuan Lu, Wei Ai

In the rapidly evolving landscape of social media, the introduction of new emojis in Unicode release versions presents a structured opportunity to explore digital language evolutio…

cs.CL2024★ 3 cited

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.CL2023★ 1 cited

Explore Spurious Correlations at the Concept Level in Language Models for Text Classification

Yuhang Zhou, Paiheng Xu, Xiaoyu Liu +3

Language models (LMs) have achieved notable success in numerous NLP tasks, employing both fine-tuning and in-context learning (ICL) methods. While language models demonstrate excep…

cs.CY2023★ 1 cited

Emoji Promotes Developer Participation and Issue Resolution on GitHub

Yuhang Zhou, Xuan Lu, Ge Gao +2

Although remote working is increasingly adopted during the pandemic, many are concerned by the low-efficiency in the remote working. Missing in text-based communication are non-ver…

cs.LG2023★ 16 cited

Pitfalls in Link Prediction with Graph Neural Networks: Understanding the Impact of Target-link Inclusion & Better Practices

Jing Zhu, Yuhang Zhou, Vassilis N. Ioannidis +4

While Graph Neural Networks (GNNs) are remarkably successful in a variety of high-impact applications, we demonstrate that, in link prediction, the common practices of including th…

cs.LG2023★ 2 cited

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…