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Related papers: The Data-Quality Illusion: Rethinking Classifier-B…

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Training deep neural networks requires many training samples, but in practice, training labels are expensive to obtain and may be of varying quality, as some may be from trusted expert labelers while others might be from heuristics or other…

Information Retrieval · Computer Science 2018-06-25 Mostafa Dehghani , Jaap Kamps

Incorporating metadata in Large Language Models (LLMs) pretraining has recently emerged as a promising approach to accelerate training. However prior work highlighted only one useful signal-URLs, leaving open the question of whether other…

Computation and Language · Computer Science 2026-04-21 Dongyang Fan , Diba Hashemi , Sai Praneeth Karimireddy , Martin Jaggi

As the post-training of large language models (LLMs) advances from instruction-following to complex reasoning tasks, understanding how different data affect finetuning dynamics remains largely unexplored. In this paper, we present a…

Machine Learning · Computer Science 2026-05-12 Ming Li , Yanhong Li , Ziyue Li , Tianyi Zhou

The quality of an induced model by a learning algorithm is dependent on the quality of the training data and the hyper-parameters supplied to the learning algorithm. Prior work has shown that improving the quality of the training data…

Machine Learning · Statistics 2014-03-14 Michael R. Smith , Tony Martinez , Christophe Giraud-Carrier

In machine learning, research has traditionally focused on model development, with relatively less attention paid to training data. As model architectures have matured and marginal gains from further refinements diminish, data quality has…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Pei-Han Chen , Szu-Chi Chung

Contrary to the conventional emphasis on dataset size, we explore the role of data alignment -- an often overlooked aspect of data quality -- in training capable Large Language Models (LLMs). To do so, we use the Task2Vec-based alignment…

Computation and Language · Computer Science 2025-07-04 Krrish Chawla , Aryan Sahai , Mario DePavia , Sudharsan Sundar , Brando Miranda , Elyas Obbad , Sanmi Koyejo

Contrastive Language-Image Pre-training (CLIP) on large-scale image-caption datasets learns representations that can achieve remarkable zero-shot generalization. However, such models require a massive amount of pre-training data. Improving…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Siddharth Joshi , Arnav Jain , Ali Payani , Baharan Mirzasoleiman

Recent advancements in pre-trained large foundation models (LFM) have yielded significant breakthroughs across various domains, including natural language processing and computer vision. These models have been particularly impactful in the…

Image and Video Processing · Electrical Eng. & Systems 2024-05-22 Ziqin Lin , Heng Li , Zinan Li , Huazhu Fu , Jiang Liu

The quality of machine learning models depends heavily on their training data. Selecting high-quality, diverse training sets for large language models (LLMs) is a difficult task, due to the lack of cheap and reliable quality metrics. While…

Machine Learning · Computer Science 2026-01-30 Robert Istvan Busa-Fekete , Julian Zimmert , Anne Xiangyi Zheng , Claudio Gentile , Andras Gyorgy

The practice of fine-tuning Pre-trained Language Models (PLMs) from general or domain-specific data to a specific task with limited resources, has gained popularity within the field of natural language processing (NLP). In this work, we…

Computation and Language · Computer Science 2023-10-31 Samuel Belkadi , Lifeng Han , Yuping Wu , Goran Nenadic

Synthetic data has been proposed as a solution to address the issue of high-quality data scarcity in the training of large language models (LLMs). Studies have shown that synthetic data can effectively improve the performance of LLMs on…

Computation and Language · Computer Science 2024-06-19 Jie Chen , Yupeng Zhang , Bingning Wang , Wayne Xin Zhao , Ji-Rong Wen , Weipeng Chen

Bilingual and multilingual language models offer a promising path toward scaling NLP systems across diverse languages and users. However, their performance often varies wildly between languages as prior works show that adding more languages…

Computation and Language · Computer Science 2025-06-17 Skyler Seto , Maartje ter Hoeve , Maureen de Seyssel , David Grangier

We introduce a state-of-the-art approach for URL categorization that leverages the power of Large Language Models (LLMs) to address the primary objectives of web content filtering: safeguarding organizations from legal and ethical risks,…

Machine Learning · Computer Science 2023-05-11 Tamás Vörös , Sean Paul Bergeron , Konstantin Berlin

Modern large language model training is no longer limited by data availability, but by the inability of existing preprocessing pipelines to simultaneously achieve massive scale and high data quality. Current approaches are forced to…

Computation and Language · Computer Science 2026-03-17 Gowtham , Sai Rupesh , Sanjay Kumar , Saravanan , Venkata Chaithanya

Data filtering has become a powerful tool for improving model performance while reducing computational cost. However, as large language model compute budgets continue to grow, the limited data volume provided by heavily filtered and…

Computation and Language · Computer Science 2025-11-07 Alex Fang , Hadi Pouransari , Matt Jordan , Alexander Toshev , Vaishaal Shankar , Ludwig Schmidt , Tom Gunter

Despite the impressive performance of large multimodal models (LMMs) in high-level visual tasks, their capacity for image quality assessment (IQA) remains limited. One main reason is that LMMs are primarily trained for high-level tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Baoliang Chen , Siyi Pan , Dongxu Wu , Liang Xie , Xiangjie Sui , Lingyu Zhu , Hanwei Zhu

Large language models (LLMs) encode extensive world knowledge through pre-training on massive datasets, which can then be fine-tuned for the question-answering (QA) task. However, effective strategies for fine-tuning LLMs for the QA task…

Computation and Language · Computer Science 2025-01-22 Junjie Ye , Yuming Yang , Qi Zhang , Tao Gui , Xuanjing Huang , Peng Wang , Zhongchao Shi , Jianping Fan

Large Language Models (LLMs) have been widely adopted in commercial code completion engines, significantly enhancing coding efficiency and productivity. However, LLMs may generate code with quality issues that violate coding standards and…

Software Engineering · Computer Science 2025-03-20 Yuan Jiang , Yujian Zhang , Liang Lu , Christoph Treude , Xiaohong Su , Shan Huang , Tiantian Wang

Data selection in instruction tuning emerges as a pivotal process for acquiring high-quality data and training instruction-following large language models (LLMs), but it is still a new and unexplored research area for vision-language models…

Computation and Language · Computer Science 2024-02-21 Ruibo Chen , Yihan Wu , Lichang Chen , Guodong Liu , Qi He , Tianyi Xiong , Chenxi Liu , Junfeng Guo , Heng Huang

Recent research has highlighted the importance of data quality in scaling large language models (LLMs). However, automated data quality control faces unique challenges in collaborative settings where sharing is not allowed directly between…

Computation and Language · Computer Science 2025-07-08 Wanru Zhao , Hongxiang Fan , Shell Xu Hu , Wangchunshu Zhou , Bofan Chen , Nicholas D. Lane