activity
20242026
collaborators

5 papers

cs.AI2026

Spectral Feedback for Test-Time Alignment of Protein Diffusion Models

Shai Dickman, Mert Cemri, Landon Butler +1

Reward maximization alignment methods for discrete diffusion models have primarily focused on steering the reverse process, either by influencing token logits or by selecting favor…

cs.LG2026

An Odd Estimator for Shapley Values

Fabian Fumagalli, Landon Butler, Justin Singh Kang +2

The Shapley value is a ubiquitous framework for attribution in machine learning, encompassing feature importance, data valuation, and causal inference. However, its exact computati…

cs.LG2025

ProxySPEX: Inference-Efficient Interpretability via Sparse Feature Interactions in LLMs

Landon Butler, Abhineet Agarwal, Justin Singh Kang +3

Large Language Models (LLMs) have achieved remarkable performance by capturing complex interactions between input features. To identify these interactions, most existing approaches…

cs.LG2025

SPEX: Scaling Feature Interaction Explanations for LLMs

Justin Singh Kang, Landon Butler, Abhineet Agarwal +4

Large language models (LLMs) have revolutionized machine learning due to their ability to capture complex interactions between input features. Popular post-hoc explanation methods…

cs.LG2024

Learning to Understand: Identifying Interactions via the Möbius Transform

Justin S. Kang, Yigit E. Erginbas, Landon Butler +2

One of the key challenges in machine learning is to find interpretable representations of learned functions. The Möbius transform is essential for this purpose, as its coefficients…