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相关论文: ScalingFilter: Assessing Data Quality through Inve…

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In this paper, we focus on a new practical task, document-scale text content manipulation, which is the opposite of text style transfer and aims to preserve text styles while altering the content. In detail, the input is a set of structured…

计算与语言 · 计算机科学 2020-02-25 Xiaocheng Feng , Yawei Sun , Bing Qin , Heng Gong , Yibo Sun , Wei Bi , Xiaojiang Liu , Ting Liu

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…

计算与语言 · 计算机科学 2025-04-09 Ru Peng , Kexin Yang , Yawen Zeng , Junyang Lin , Dayiheng Liu , Junbo Zhao

This paper presents a new approach to identifying and eliminating mislabeled training instances for supervised learning. The goal of this approach is to improve classification accuracies produced by learning algorithms by improving the…

人工智能 · 计算机科学 2011-06-02 C. E. Brodley , M. A. Friedl

Language models are prone to dataset biases, known as shortcuts and spurious correlations in data, which often result in performance drop on new data. We present a new debiasing framework called ``FairFlow'' that mitigates dataset biases by…

机器学习 · 计算机科学 2025-03-25 Jiali Cheng , Hadi Amiri

Large Language Model (LLM) pre-training exhausts an ever growing compute budget, yet recent research has demonstrated that careful document selection enables comparable model quality with only a fraction of the FLOPs. Inspired by efforts…

计算与语言 · 计算机科学 2024-06-10 Xiang Kong , Tom Gunter , Ruoming Pang

In supervised learning, the question of data quality and curation has been over-shadowed in recent years by increasingly more powerful and expressive models that can ingest internet-scale data. However, in offline learning for robotics, we…

机器人学 · 计算机科学 2023-06-06 Suneel Belkhale , Yuchen Cui , Dorsa Sadigh

Data selection is critical for enhancing the performance of language models, particularly when aligning training datasets with a desired target distribution. This study explores the effects of different data selection methods and feature…

计算与语言 · 计算机科学 2025-01-08 Jiayao Gu , Liting Chen , Yihong Li

In real-world applications, as data availability increases, obtaining labeled data for machine learning (ML) projects remains challenging due to the high costs and intensive efforts required for data annotation. Many ML projects,…

机器学习 · 计算机科学 2024-12-24 Ismail Hakki Karaman , Gulser Koksal , Levent Eriskin , Salih Salihoglu

In Big data era, information integration often requires abundant data extracted from massive data sources. Due to a large number of data sources, data source selection plays a crucial role in information integration, since it is costly and…

数据库 · 计算机科学 2016-11-01 Yiming Lin , Hongzhi Wang , Jianzhong Li , Hong Gao

Scaling laws predict the loss of a target machine learning model by extrapolating from easier-to-train models with fewer parameters or smaller training sets. This provides an efficient way for practitioners and researchers alike to compare…

机器学习 · 计算机科学 2025-06-04 Leshem Choshen , Yang Zhang , Jacob Andreas

Scaling laws have transformed our understanding of large language models by linking upstream metrics like cross-entropy loss to design factors such as model size, training data, and compute. However, these conventional laws fail to capture…

计算与语言 · 计算机科学 2025-10-17 Kyle Montgomery , David Park , Jianhong Tu , Michael Bendersky , Beliz Gunel , Dawn Song , Chenguang Wang

A data mixture refers to how different data sources are combined to train large language models, and selecting an effective mixture is crucial for optimal downstream performance. Existing methods either conduct costly searches directly on…

机器学习 · 计算机科学 2026-05-07 Jingwei Li , Xinran Gu , Jingzhao Zhang

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…

Long-context language models unlock advanced capabilities in reasoning, code generation, and document summarization by leveraging dependencies across extended spans of text. However, a significant portion of readily available long-text data…

计算与语言 · 计算机科学 2025-10-31 Haoran Deng , Yingyu Lin , Zhenghao Lin , Xiao Liu , Yizhou Sun , Yi-An Ma , Yeyun Gong

Large volumes of text data have contributed significantly to the development of large language models (LLMs) in recent years. This data is typically acquired by scraping the internet, leading to pretraining datasets comprised of noisy web…

计算与语言 · 计算机科学 2023-09-12 Max Marion , Ahmet Üstün , Luiza Pozzobon , Alex Wang , Marzieh Fadaee , Sara Hooker

We investigate data filtering for large model pretraining via new scaling studies that target the high compute, data-scarce regime. In spite of an apparently common belief that filtering data to include only high-quality information is…

机器学习 · 计算机科学 2026-05-20 Christopher Mohri , John Duchi , Tatsunori Hashimoto

Low-quality data can cause downstream problems in high-stakes applications. Data-centric approach emphasizes on improving dataset quality to enhance model performance. High-quality datasets are needed for general-purpose Large Language…

计算与语言 · 计算机科学 2023-10-13 Iva Bojic , Josef Halim , Verena Suharman , Sreeja Tar , Qi Chwen Ong , Duy Phung , Mathieu Ravaut , Shafiq Joty , Josip Car

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…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Pei-Han Chen , Szu-Chi Chung

Instruction tuning, a specialized technique to enhance large language model (LLM) performance via instruction datasets, relies heavily on the quality of employed data. Existing quality improvement methods alter instruction data through…

计算与语言 · 计算机科学 2023-12-29 Yang Xu , Yongqiang Yao , Yufan Huang , Mengnan Qi , Maoquan Wang , Bin Gu , Neel Sundaresan

Scoring models support decision-making in financial institutions. Their estimation and evaluation are based on the data of previously accepted applicants with known repayment behavior. This creates sampling bias: the available labeled data…