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20232026
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cs.LG2025

Uncovering Scaling Laws for Large Language Models via Inverse Problems

Arun Verma, Zhaoxuan Wu, Zijian Zhou +15

Large Language Models (LLMs) are large-scale pretrained models that have achieved remarkable success across diverse domains. These successes have been driven by unprecedented compl…

cs.LG2025

Group-robust Sample Reweighting for Subpopulation Shifts via Influence Functions

Rui Qiao, Zhaoxuan Wu, Jingtan Wang +2

Machine learning models often have uneven performance among subpopulations (a.k.a., groups) in the data distributions. This poses a significant challenge for the models to generali…

cs.LG2024

Data-Centric AI in the Age of Large Language Models

Xinyi Xu, Zhaoxuan Wu, Rui Qiao +16

This position paper proposes a data-centric viewpoint of AI research, focusing on large language models (LLMs). We start by making the key observation that data is instrumental in…

cs.LG2024

Helpful or Harmful Data? Fine-tuning-free Shapley Attribution for Explaining Language Model Predictions

Jingtan Wang, Xiaoqiang Lin, Rui Qiao +2

The increasing complexity of foundational models underscores the necessity for explainability, particularly for fine-tuning, the most widely used training method for adapting model…

cs.LG2023

Source Attribution for Large Language Model-Generated Data

Jingtan Wang, Xinyang Lu, Zitong Zhao +4

The impressive performances of Large Language Models (LLMs) and their immense potential for commercialization have given rise to serious concerns over the Intellectual Property (IP…