collaborators

7 papers

cs.CL2025

MPF: Aligning and Debiasing Language Models post Deployment via Multi Perspective Fusion

Xin Guan, PeiHsin Lin, Zekun Wu +4

Multiperspective Fusion (MPF) is a novel posttraining alignment framework for large language models (LLMs) developed in response to the growing need for easy bias mitigation. Built…

cs.CR2025

LibVulnWatch: A Deep Assessment Agent System and Leaderboard for Uncovering Hidden Vulnerabilities in Open-Source AI Libraries

Zekun Wu, Seonglae Cho, Umar Mohammed +7

Open-source AI libraries are foundational to modern AI systems, yet they present significant, underexamined risks spanning security, licensing, maintenance, supply chain integrity,…

cs.CL2024

Assessing Bias in Metric Models for LLM Open-Ended Generation Bias Benchmarks

Nathaniel Demchak, Xin Guan, Zekun Wu +3

Open-generation bias benchmarks evaluate social biases in Large Language Models (LLMs) by analyzing their outputs. However, the classifiers used in analysis often have inherent bia…

cs.CL2024

HEARTS: A Holistic Framework for Explainable, Sustainable and Robust Text Stereotype Detection

Theo King, Zekun Wu, Adriano Koshiyama +2

Stereotypes are generalised assumptions about societal groups, and even state-of-the-art LLMs using in-context learning struggle to identify them accurately. Due to the subjective…

cs.CL2024

THaMES: An End-to-End Tool for Hallucination Mitigation and Evaluation in Large Language Models

Mengfei Liang, Archish Arun, Zekun Wu +5

Hallucination, the generation of factually incorrect content, is a growing challenge in Large Language Models (LLMs). Existing detection and mitigation methods are often isolated a…

cs.CL2024

SAGED: A Holistic Bias-Benchmarking Pipeline for Language Models with Customisable Fairness Calibration

Xin Guan, Ze Wang, Nathaniel Demchak +5

The development of unbiased large language models is widely recognized as crucial, yet existing benchmarks fall short in detecting biases due to limited scope, contamination, and l…

cs.CL2024

From Text to Emoji: How PEFT-Driven Personality Manipulation Unleashes the Emoji Potential in LLMs

Navya Jain, Zekun Wu, Cristian Munoz +5

The manipulation of the personality traits of large language models (LLMs) has emerged as a key area of research. Methods like prompt-based In-Context Knowledge Editing (IKE) and g…