collaborators

6 papers

cs.CL2026

Locating and Controlling Implicit Personalization in Large Language Models

Yueru Yan, Siqi Wu, Thai Le

Large language models (LLMs) often shift their outputs in response to implicit demographic cues even when users never state a demographic identity. Previous work has documented thi…

cs.LG2026

ATLAS: Verifier-Guided Adaptive Latent Activation Steering for Efficient LLM Reasoning

Tuc Nguyen, Thai Le

Recent work on activation and latent steering has demonstrated that modifying internal representations can effectively guide large language models (LLMs) toward improved reasoning…

cs.CL2026

PreUnlearn: Auditing Collateral Knowledge Damage Before Large Language Model Unlearning

Bo Su, Ankit Shah, Thai Le

Machine unlearning for large language models (LLMs) aims to remove specified knowledge while preserving the rest of the model's capabilities. However, the boundary between knowledg…

cs.LG2026

Beyond Linear Activation Steering: Invertible Latent Transformations for Controlling LLM Behavior

Tuc Nguyen, Thai Le

Activation steering provides a lightweight inference-time mechanism for controlling large language models (LLMs) by modifying their internal activation vectors toward desired behav…

cs.CL2026

ShareChat: A Dataset of Chatbot Conversations in the Wild

Yueru Yan, Tuc Nguyen, Bo Su +2

By evaluating Large Language Models (LLMs) through uniform, text-only interfaces, current academic benchmarks obscure how the unique designs and affordances of distinct commercial…

cs.CL2025

Unraveling Interwoven Roles of Large Language Models in Authorship Privacy: Obfuscation, Mimicking, and Verification

Tuc Nguyen, Yifan Hu, Thai Le

Recent advancements in large language models (LLMs) have been fueled by large scale training corpora drawn from diverse sources such as websites, news articles, and books. These da…