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Instruction tuning is a vital step of training large language models (LLMs), so how to enhance the effect of instruction tuning has received increased attention. Existing works indicate that the quality of the dataset is more crucial than…

Computation and Language · Computer Science 2025-08-27 Bolin Zhang , Jiahao Wang , Qianlong Du , Jiajun Zhang , Zhiying Tu , Dianhui Chu

Careful curation of data sources can significantly improve the performance of LLM pre-training, but predominant approaches rely heavily on intuition or costly trial-and-error, making them difficult to generalize across different data…

Machine Learning · Computer Science 2025-03-28 Thomson Yen , Andrew Wei Tung Siah , Haozhe Chen , Tianyi Peng , Daniel Guetta , Hongseok Namkoong

Large language models (LLMs) are now available from cloud API providers in various sizes and configurations. While this diversity offers a broad spectrum of choices, effectively leveraging the options to optimize computational cost and…

Mixed-precision quantization mostly predetermines the model bit-width settings before actual training due to the non-differential bit-width sampling process, obtaining sub-optimal performance. Worse still, the conventional static…

Artificial Intelligence · Computer Science 2023-02-10 Yingchun Wang , Jingcai Guo , Song Guo , Weizhan Zhang

The Multimodal Large Language Models (MLLMs) are continually pre-trained on a mixture of image-text caption data and interleaved document data, while the high-quality data filtering towards image-text interleaved document data is…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Weizhi Wang , Rongmei Lin , Shiyang Li , Colin Lockard , Ritesh Sarkhel , Sanket Lokegaonkar , Jingbo Shang , Xifeng Yan , Nasser Zalmout , Xian Li

Instruction fine-tuning of large language models (LLMs) often involves selecting a subset of instruction training data from a large candidate pool, using a small query set from the target task. Despite growing interest, the literature on…

Machine Learning · Computer Science 2026-02-17 Nihal V. Nayak , Paula Rodriguez-Diaz , Neha Hulkund , Sara Beery , David Alvarez-Melis

Large language models (LLMs) exhibit remarkable capabilities across diverse tasks, yet aligning them efficiently and effectively with human expectations remains a critical challenge. This thesis advances LLM alignment by introducing novel…

Computation and Language · Computer Science 2025-06-12 Yuxin Jiang

Adapting large language models (LLMs) to specific domains often faces a critical bottleneck: the scarcity of high-quality, human-curated data. While large volumes of unchecked data are readily available, indiscriminately using them for…

Computation and Language · Computer Science 2025-09-09 Jian Wu , Hang Yu , Bingchang Liu , Wenjie Yang , Peng Di , Jianguo Li , Yue Zhang

Preference learning is critical for aligning large language models (LLMs) with human values, with the quality of preference datasets playing a crucial role in this process. While existing metrics primarily assess data quality based on…

Machine Learning · Computer Science 2025-03-05 Kexin Huang , Junkang Wu , Ziqian Chen , Xue Wang , Jinyang Gao , Bolin Ding , Jiancan Wu , Xiangnan He , Xiang Wang

Instruction tuning improves the performance of large language models (LLMs), but it heavily relies on high-quality training data. Recently, LLMs have been used to synthesize instruction data using seed question-answer (QA) pairs. However,…

Computation and Language · Computer Science 2025-05-20 Chi Zhang , Huaping Zhong , Hongtao Li , Chengliang Chai , Jiawei Hong , Yuhao Deng , Jiacheng Wang , Tian Tan , Yizhou Yan , Jiantao Qiu , Ye Yuan , Guoren Wang , Conghui He , Lei Cao

Large Language Models (LLMs) have advanced rapidly but face significant memory demands. While quantization has shown promise for LLMs, current methods typically require lengthy training to alleviate the performance degradation from…

Artificial Intelligence · Computer Science 2024-05-31 Ke Yi , Yuhui Xu , Heng Chang , Chen Tang , Yuan Meng , Tong Zhang , Jia Li

The effectiveness of large language models (LLMs) is often hindered by duplicated data in their extensive pre-training datasets. Current approaches primarily focus on detecting and removing duplicates, which risks the loss of valuable…

Computation and Language · Computer Science 2024-07-10 Nan He , Weichen Xiong , Hanwen Liu , Yi Liao , Lei Ding , Kai Zhang , Guohua Tang , Xiao Han , Wei Yang

Poor data quality limits the advantageous power of Machine Learning (ML) and weakens high-performing ML software systems. Nowadays, data are more prone to the risk of poor quality due to their increasing volume and complexity. Therefore,…

Machine Learning · Computer Science 2025-02-20 Manal Rahal , Bestoun S. Ahmed , Gergely Szabados , Torgny Fornstedt , Jorgen Samuelsson

Multimodal large language models (MLLMs) rely heavily on instruction tuning to align vision and language capabilities, yet the computational cost of training on large-scale datasets remains a major bottleneck. Existing data selection…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Yichen Yan , Ming Zhong , Qi Zhu , Xiaoling Gu , Jinpeng Chen , Huan Li

Large Language Models (LLMs) have emerged as powerful tools for generating data across various modalities. By transforming data from a scarce resource into a controllable asset, LLMs mitigate the bottlenecks imposed by the acquisition costs…

Data selection is of great significance in pre-training large language models, given the variation in quality within the large-scale available training corpora. To achieve this, researchers are currently investigating the use of data…

Artificial Intelligence · Computer Science 2024-10-08 Chi Zhang , Huaping Zhong , Kuan Zhang , Chengliang Chai , Rui Wang , Xinlin Zhuang , Tianyi Bai , Jiantao Qiu , Lei Cao , Ju Fan , Ye Yuan , Guoren Wang , Conghui He

High data quality is critical for reliable analytics and operational efficiency. A growing ecosystem of tools has emerged to support data quality management, ranging from lightweight open-source libraries to comprehensive enterprise…

Databases · Computer Science 2026-04-13 Tobias Rehberger , Thomas Hütter , Lisa Ehrlinger , Wolfram Wöß

Evaluating LLMs and text-to-image models is a computationally intensive task often overlooked. Efficient evaluation is crucial for understanding the diverse capabilities of these models and enabling comparisons across a growing number of…

Large Language Models (LLMs) optimized to output truthful answers often overfit, producing brittle reasoning that fails to generalize. While persuasion-based optimization has shown promise in debate settings, it has not been systematically…

Artificial Intelligence · Computer Science 2025-10-21 Aksel Joonas Reedi , Corentin Léger , Julien Pourcel , Loris Gaven , Perrine Charriau , Guillaume Pourcel

In mathematical reasoning tasks, the advancement of Large Language Models (LLMs) relies heavily on high-quality training data with clearly defined and well-graded difficulty levels. However, existing data synthesis methods often suffer from…

Machine Learning · Computer Science 2026-01-27 Xuchen Li , Jing Chen , Xuzhao Li , Hao Liang , Xiaohuan Zhou , Taifeng Wang , Wentao Zhang