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相关论文: Data Selection via Optimal Control for Language Mo…

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Learning with limited data is one of the biggest problems of machine learning. Current approaches to this issue consist in learning general representations from huge amounts of data before fine-tuning the model on a small dataset of…

机器学习 · 计算机科学 2023-02-22 Grégoire Mialon

Data selection techniques applied to neural machine translation (NMT) aim to increase the performance of a model by retrieving a subset of sentences for use as training data. One of the possible data selection techniques are transductive…

计算与语言 · 计算机科学 2018-11-08 Alberto Poncelas , Gideon Maillette de Buy Wenniger , Andy Way

Data-efficient learning aims to eliminate redundancy in large training datasets by training models on smaller subsets of the most informative examples. While data selection has been extensively explored for vision models and large language…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Nilay Naharas , Dang Nguyen , Nesihan Bulut , Mohammadhossein Bateni , Vahab Mirrokni , Baharan Mirzasoleiman

It is imperative for Large language models (LLMs) to follow instructions with elaborate requirements (i.e. Complex Instructions Following). Yet, it remains under-explored how to enhance the ability of LLMs to follow complex instructions…

计算与语言 · 计算机科学 2024-06-19 Qianyu He , Jie Zeng , Qianxi He , Jiaqing Liang , Yanghua Xiao

Recently, preference optimization methods such as DPO have significantly enhanced large language models (LLMs) in wide tasks including dialogue and question-answering. However, current methods fail to account for the varying difficulty…

计算与语言 · 计算机科学 2024-12-31 Jingyuan Ma , Rui Li , Zheng Li , Lei Sha , Zhifang Sui

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…

机器学习 · 计算机科学 2025-03-28 Thomson Yen , Andrew Wei Tung Siah , Haozhe Chen , Tianyi Peng , Daniel Guetta , Hongseok Namkoong

The ever-growing ecosystem of LLMs has posed a challenge in selecting the most appropriate pre-trained model to fine-tune amidst a sea of options. Given constrained resources, fine-tuning all models and making selections afterward is…

机器学习 · 计算机科学 2024-05-29 Haowei Lin , Baizhou Huang , Haotian Ye , Qinyu Chen , Zihao Wang , Sujian Li , Jianzhu Ma , Xiaojun Wan , James Zou , Yitao Liang

In wireless networks, many problems can be formulated as subset selection problems where the goal is to select a subset from the ground set with the objective of maximizing some objective function. These problems are typically NP-hard and…

信息论 · 计算机科学 2019-05-03 Chiranjib Saha , Harpreet S. Dhillon

This paper develops a method to learn optimal controls from data for bilinear systems without a priori knowledge of the system dynamics. Given an unknown bilinear system, we first characterize when the available data is suitable to solve…

最优化与控制 · 数学 2023-10-13 Zhenyi Yuan , Jorge Cortes

Machine learning is transforming materials discovery by providing rapid predictions of material properties, which enables large-scale screening for target materials. However, such models require training data. While automated data…

Learning to generalise from limited data is a fundamental challenge for both artificial and biological systems. A common strategy is to extract reusable structure from abundant unlabelled data, enabling efficient adaptation to new tasks…

机器学习 · 计算机科学 2026-05-20 Valentina Njaradi , Clémentine Dominé , Rachel Swanson , Marco Mondelli , Andrew Saxe

Large language models (LLMs) have demonstrated impressive task-solving capabilities through prompting techniques and system designs, including solving planning tasks (e.g., math proofs, basic travel planning) when sufficient data is…

人工智能 · 计算机科学 2025-04-25 Wenjun Li , Changyu Chen , Pradeep Varakantham

A fine-grained data recipe is crucial for pre-training large language models, as it can significantly enhance training efficiency and model performance. One important ingredient in the recipe is to select samples based on scores produced by…

计算与语言 · 计算机科学 2026-01-01 Ziqing Fan , Yuqiao Xian , Yan Sun , Li Shen

When, in terms of the number of data points, the size of a dataset exceeds available computing resources, or when labeling is expensive, an attractive solution consists of selecting only some of the data points (subdata) for further…

统计方法学 · 统计学 2026-04-28 Min Yang , Wei Zheng , John Stufken , Ming-Chung Chang , Ting Tian , Xueqin Wang

Data mixing decides how to combine different sources or types of data and is a consequential problem throughout language model training. In pretraining, data composition is a key determinant of model quality; in continual learning and…

计算与语言 · 计算机科学 2026-05-18 Michael Y. Hu , Apurva Gandhi , Kyunghyun Cho , Tal Linzen , Pratyusha Sharma

Large-scale supervised classification algorithms, especially those based on deep convolutional neural networks (DCNNs), require vast amounts of training data to achieve state-of-the-art performance. Decreasing this data requirement would…

计算机视觉与模式识别 · 计算机科学 2016-06-15 Maya Kabkab , Azadeh Alavi , Rama Chellappa

Finetuning large language models on instruction data is crucial for enhancing pre-trained knowledge and improving instruction-following capabilities. As instruction datasets proliferate, selecting optimal data for effective training becomes…

计算与语言 · 计算机科学 2024-09-18 Simon Yu , Liangyu Chen , Sara Ahmadian , Marzieh Fadaee

Model pruning is an effective approach for compressing large language models (LLMs). However, this process often leads to significant degradation of model capabilities. While post-training techniques such as instruction tuning are commonly…

计算与语言 · 计算机科学 2026-02-13 Bowei He , Lihao Yin , Hui-Ling Zhen , Xiaokun Zhang , Mingxuan Yuan , Chen Ma

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…

计算与语言 · 计算机科学 2025-10-14 Zhuo Li , Yuhao Du , Xiaoqi Jiao , Yiwen Guo , Yuege Feng , Xiang Wan , Anningzhe Gao , Jinpeng Hu

In this paper, we propose novel learning frameworks to tackle optimal control problems by applying the Pontryagin maximum principle and then solving for a Hamiltonian dynamical system. Applying the Pontryagin maximum principle to the…

最优化与控制 · 数学 2024-08-13 Chandrajit Bajaj , Minh Nguyen