collaborators

8 papers

cs.LG2026

The Mirrored Influence Hypothesis: Efficient Data Influence Estimation by Harnessing Forward Passes

Myeongseob Ko, Feiyang Kang, Weiyan Shi +3

Large-scale black-box models have become ubiquitous across numerous applications. Understanding the influence of individual training data sources on predictions made by these model…

cs.LG2026

Adversarial Déjà Vu: Jailbreak Dictionary Learning for Stronger Generalization to Unseen Attacks

Mahavir Dabas, Tran Huynh, Nikhil Reddy Billa +8

Large language models remain vulnerable to jailbreak attacks that bypass safety guardrails to elicit harmful outputs. Defending against novel jailbreaks represents a critical chall…

cs.CL2025

Retracing the Past: LLMs Emit Training Data When They Get Lost

Myeongseob Ko, Nikhil Reddy Billa, Adam Nguyen +3

The memorization of training data in large language models (LLMs) poses significant privacy and copyright concerns. Existing data extraction methods, particularly heuristic-based d…

cs.LG2025

Probing Knowledge Holes in Unlearned LLMs

Myeongseob Ko, Hoang Anh Just, Charles Fleming +2

Machine unlearning has emerged as a prevalent technical solution for selectively removing unwanted knowledge absorbed during pre-training, without requiring full retraining. While…

cs.LG2025

DiPT: Enhancing LLM reasoning through diversified perspective-taking

Hoang Anh Just, Mahavir Dabas, Lifu Huang +2

Existing work on improving language model reasoning typically explores a single solution path, which can be prone to errors. Inspired by perspective-taking in social studies, this…

cs.LG2025

Data-Centric Human Preference with Rationales for Direct Preference Alignment

Hoang Anh Just, Ming Jin, Anit Sahu +2

Aligning language models with human preferences through reinforcement learning from human feedback is crucial for their safe and effective deployment. The human preference is typic…