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Related papers: QuaDMix: Quality-Diversity Balanced Data Selection…

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Selecting high-quality pre-training data is important for creating capable language models, but existing methods rely on simple heuristics. We introduce QuRating, a method for selecting pre-training data that can capture human intuitions…

Computation and Language · Computer Science 2024-07-19 Alexander Wettig , Aatmik Gupta , Saumya Malik , Danqi Chen

The performance of large language models (LLMs) is significantly affected by the quality and composition of their pre-training data, which is inherently diverse, spanning various languages, sources, and topics. Effectively integrating these…

Computation and Language · Computer Science 2025-08-11 Jiahui Peng , Xinlin Zhuang , Jiantao Qiu , Ren Ma , Jing Yu , He Zhu , Conghui He

In recent years, the use of large language models (LLMs) for text classification has attracted widespread attention. Despite this, the classification accuracy of LLMs has not yet universally surpassed that of smaller models. LLMs can…

Computation and Language · Computer Science 2024-12-11 Min Zeng , Caiquan Liu , Shiqi Zhang , Li Xie , Chen Sang , Xiaoxin Chen

Long-context modeling has drawn more and more attention in the area of Large Language Models (LLMs). Continual training with long-context data becomes the de-facto method to equip LLMs with the ability to process long inputs. However, it…

Computation and Language · Computer Science 2025-10-14 Jianghao Chen , Junhong Wu , Yangyifan Xu , Jiajun Zhang

Data-centric training has emerged as a promising direction for improving large language models (LLMs) by optimizing not only model parameters but also the selection, composition, and weighting of training data during optimization. However,…

In the realm of Large Language Models (LLMs), the balance between instruction data quality and quantity is a focal point. Recognizing this, we introduce a self-guided methodology for LLMs to autonomously discern and select cherry samples…

Computation and Language · Computer Science 2024-04-09 Ming Li , Yong Zhang , Zhitao Li , Jiuhai Chen , Lichang Chen , Ning Cheng , Jianzong Wang , Tianyi Zhou , Jing Xiao

Data quantity and quality play a vital role in determining the performance of Large Language Models (LLMs). High-quality data, in particular, can significantly boost the LLM's ability to generalize on a wide range of downstream tasks. Large…

Data selection plays a crucial role in data-driven decision-making, including in large language models (LLMs), and is typically task-dependent. Properties such as data quality and diversity have been extensively studied and are known to…

Machine Learning · Computer Science 2025-09-30 Yuqing Wang , Shangding Gu

The performance emergence of large language models (LLMs) driven by data scaling laws makes the selection of pre-training data increasingly important. However, existing methods rely on limited heuristics and human intuition, lacking…

Computation and Language · Computer Science 2025-04-09 Ru Peng , Kexin Yang , Yawen Zeng , Junyang Lin , Dayiheng Liu , Junbo Zhao

Data selection for fine-tuning large language models (LLMs) aims to choose a high-quality subset from existing datasets, allowing the trained model to outperform baselines trained on the full dataset. However, the expanding body of research…

Computation and Language · Computer Science 2025-02-25 Ziche Liu , Rui Ke , Yajiao Liu , Feng Jiang , Haizhou Li

Due to the scarcity of high-quality data, large language models (LLMs) are often trained on mixtures of data with varying quality levels, even after sophisticated data curation. A natural approach to better leverage high-quality data is…

Machine Learning · Computer Science 2026-05-15 Kairong Luo , Zhenbo Sun , Haodong Wen , Xinyu Shi , Jiarui Cui , Chenyi Dang , Kaifeng Lyu , Wenguang Chen

The data used to pretrain large language models has a decisive impact on a model's downstream performance, which has led to a large body of work on data selection methods that aim to automatically determine the most suitable data to use for…

Computation and Language · Computer Science 2023-12-12 Alon Albalak , Liangming Pan , Colin Raffel , William Yang Wang

As retrieval-augmented generation prevails in large language models, embedding models are becoming increasingly crucial. Despite the growing number of general embedding models, prior work often overlooks the critical role of training data…

Computation and Language · Computer Science 2025-01-16 Xinshuo Hu , Zifei Shan , Xinping Zhao , Zetian Sun , Zhenyu Liu , Dongfang Li , Shaolin Ye , Xinyuan Wei , Qian Chen , Baotian Hu , Haofen Wang , Jun Yu , Min Zhang

The foundational capabilities of large language models (LLMs) are deeply influenced by the quality of their pre-training corpora. However, enhancing data quality at scale remains a significant challenge, primarily due to the trade-off…

Computation and Language · Computer Science 2025-07-10 Baolong Bi , Shenghua Liu , Xingzhang Ren , Dayiheng Liu , Junyang Lin , Yiwei Wang , Lingrui Mei , Junfeng Fang , Jiafeng Guo , Xueqi Cheng

Federated Learning (FL) enables privacy-preserving collaborative instruction tuning of large language models (LLMs) by leveraging massively distributed data. However, the decentralized nature of FL exacerbates data quality challenges, as…

Machine Learning · Computer Science 2025-03-03 Yaxin Du , Rui Ye , Fengting Yuchi , Wanru Zhao , Jingjing Qu , Yanfeng Wang , Siheng Chen

Recently published work on rephrasing natural text data for pre-training LLMs has shown promising results when combining the original dataset with the synthetically rephrased data. We build upon previous work by replicating existing results…

Determining the optimal data mixture for large language model training remains a challenging problem with an outsized impact on performance. In practice, language model developers continue to rely on heuristic exploration since no…

We propose a refined approach to efficiently fine-tune large language models (LLMs) on specific domains like the mathematical domain by employing a budgeted subset selection method. Our approach combines utility and diversity metrics to…

Machine Learning · Computer Science 2025-05-06 Madhav Kotecha , Vijendra Kumar Vaishya , Smita Gautam , Suraj Racha

Quality pretraining data is often seen as the key to high-performance language models. However, progress in understanding pretraining data has been slow due to the costly pretraining runs required for data selection experiments. We present…

Computation and Language · Computer Science 2025-03-11 Tristan Thrush , Christopher Potts , Tatsunori Hashimoto

Selecting high-quality and diverse training samples from extensive datasets plays a crucial role in reducing training overhead and enhancing the performance of Large Language Models (LLMs). However, existing studies fall short in assessing…

Computation and Language · Computer Science 2025-10-14 Zhuo Li , Yuhao Du , Xiaoqi Jiao , Yiwen Guo , Yuege Feng , Xiang Wan , Anningzhe Gao , Jinpeng Hu