collaborators

13 papers

cs.CY2026

The Effect of Perceived Race and Gender on Police Language Use: Experimental Evidence from VR Simulations

Sandra C. Sandoval, Navita Goyal, Rashawn Ray +3

Against the backdrop of violence in police interactions with the U.S. public, we explore how deferentially police officers speak to virtual characters depicted as Black adult males…

cs.CL2026

SMARTER: A Data-efficient Framework to Improve Toxicity Detection with Explanation via Self-augmenting Large Language Models

Huy Nghiem, Advik Sachdeva, Hal Daumé

WARNING: This paper contains examples of offensive materials. To address the proliferation of toxic content on social media, we introduce SMARTER, we introduce SMARTER, a data-effi…

cs.AI2025

Balancing Safety and Helpfulness in Healthcare AI Assistants through Iterative Preference Alignment

Huy Nghiem, Swetasudha Panda, Devashish Khatwani +3

Large Language Models (LLMs) are increasingly used in healthcare, yet ensuring their safety and trustworthiness remains a barrier to deployment. Conversational medical assistants m…

cs.CY2025

Which Demographic Features Are Relevant for Individual Fairness Evaluation of U.S. Recidivism Risk Assessment Tools?

Tin Trung Nguyen, Jiannan Xu, Phuong-Anh Nguyen-Le +4

Despite its constitutional relevance, the technical ``individual fairness'' criterion has not been operationalized in U.S. state or federal statutes/regulations. We conduct a human…

cs.CL2025

A Necessary Step toward Faithfulness: Measuring and Improving Consistency in Free-Text Explanations

Lingjun Zhao, Hal Daumé

Faithful free-text explanations are important to ensure transparency in high-stakes AI decision-making contexts, but they are challenging to generate by language models and assess…

cs.CL2025

'Rich Dad, Poor Lad': How do Large Language Models Contextualize Socioeconomic Factors in College Admission ?

Huy Nghiem, Phuong-Anh Nguyen-Le, John Prindle +2

Large Language Models (LLMs) are increasingly involved in high-stakes domains, yet how they reason about socially sensitive decisions remains underexplored. We present a large-scal…