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20242026
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cs.LG2026

How Faithful Is Trajectory-Based Data Attribution? Error Sources, Remedies, and Practical Guidelines

Junwei Deng, Pingbang Hu, Suliang Jin +4

Trajectory-based data attribution methods estimate the influence of training samples on model predictions by unrolling the training trajectory. They are widely used in applications…

cs.LG2025

Taming Hyperparameter Sensitivity in Data Attribution: Practical Selection Without Costly Retraining

Weiyi Wang, Junwei Deng, Yuzheng Hu +5

Data attribution methods, which quantify the influence of individual training data points on a machine learning model, have gained increasing popularity in data-centric application…

cs.LG2025

Exploring Training Data Attribution under Limited Access Constraints

Shiyuan Zhang, Junwei Deng, Juhan Bae +1

Training data attribution (TDA) plays a critical role in understanding the influence of individual training data points on model predictions. Gradient-based TDA methods, popularize…

cs.LG2025

Adversarial Attacks on Data Attribution

Xinhe Wang, Pingbang Hu, Junwei Deng +1

Data attribution aims to quantify the contribution of individual training data points to the outputs of an AI model, which has been used to measure the value of training data and c…

cs.LG2024

A Versatile Influence Function for Data Attribution with Non-Decomposable Loss

Junwei Deng, Weijing Tang, Jiaqi W. Ma

Influence function, a technique rooted in robust statistics, has been adapted in modern machine learning for a novel application: data attribution -- quantifying how individual tra…

cs.LG2024

: A Library for Efficient Data Attribution

Junwei Deng, Ting-Wei Li, Shiyuan Zhang +7

Data attribution methods aim to quantify the influence of individual training samples on the prediction of artificial intelligence (AI) models. As training data plays an increasing…