English
Related papers

Related papers: Technical Report: Competition Solution For BetterM…

200 papers

The performance of large language models (LLMs) is strongly influenced by the quality and diversity of data used during supervised fine-tuning (SFT). However, current data selection methods often prioritize one aspect over the other,…

Computation and Language · Computer Science 2025-05-28 Minghao Wu , Thuy-Trang Vu , Lizhen Qu , Gholamreza Haffari

Data augmentation is a powerful technique to increase the diversity of data, which can effectively improve the generalization ability of neural networks in image recognition tasks. Recent data mixing based augmentation strategies have…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Jie Qin , Jiemin Fang , Qian Zhang , Wenyu Liu , Xingang Wang , Xinggang Wang

Modern machine learning pipelines are increasingly combining and mixing data from diverse and disparate sources, e.g., pre-training large language models. Yet, finding the optimal data mixture is a challenging and open problem. We formalize…

Machine Learning · Computer Science 2026-01-16 Anvith Thudi , Evianne Rovers , Yangjun Ruan , Tristan Thrush , Chris J. Maddison

We present a new method for large language models to solve compositional tasks. Although they have shown strong performance on traditional language understanding tasks, large language models struggle to solve compositional tasks, where the…

Computation and Language · Computer Science 2024-07-09 Eric Pasewark , Kyle Montgomery , Kefei Duan , Dawn Song , Chenguang Wang

Pretraining data of large language models composes multiple domains (e.g., web texts, academic papers, codes), whose mixture proportions crucially impact the competence of outcome models. While existing endeavors rely on heuristics or…

Computation and Language · Computer Science 2025-03-21 Jiasheng Ye , Peiju Liu , Tianxiang Sun , Jun Zhan , Yunhua Zhou , Xipeng Qiu

We focus on the problem of fusing two or more heterogeneous large language models (LLMs) to leverage their complementary strengths. One of the challenges of model fusion is high computational load, specifically in fine-tuning or aligning…

Computation and Language · Computer Science 2025-06-10 Cong Liu , Xiaojun Quan , Yan Pan , Liang Lin , Weigang Wu , Xu Chen

Large Language Models improve with increasing amounts of high-quality training data. However, leveraging larger datasets requires balancing quality, quantity, and diversity across sources. After evaluating nine baseline methods under both…

Computation and Language · Computer Science 2025-01-27 William Held , Bhargavi Paranjape , Punit Singh Koura , Mike Lewis , Frank Zhang , Todor Mihaylov

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…

Machine Learning · Computer Science 2026-05-07 Jingwei Li , Xinran Gu , Jingzhao Zhang

We present LLM-Blender, an ensembling framework designed to attain consistently superior performance by leveraging the diverse strengths of multiple open-source large language models (LLMs). Our framework consists of two modules: PairRanker…

Computation and Language · Computer Science 2023-07-04 Dongfu Jiang , Xiang Ren , Bill Yuchen Lin

Mixup data augmentation approaches have been applied for various tasks of deep learning to improve the generalization ability of deep neural networks. Some existing approaches CutMix, SaliencyMix, etc. randomly replace a patch in one image…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Huafeng Qin , Xin Jin , Hongyu Zhu , Hongchao Liao , Mounîm A. El-Yacoubi , Xinbo Gao

Increasingly large imitation learning datasets are being collected with the goal of training foundation models for robotics. However, despite the fact that data selection has been of utmost importance in vision and natural language…

Robotics · Computer Science 2025-02-24 Joey Hejna , Chethan Bhateja , Yichen Jiang , Karl Pertsch , Dorsa Sadigh

By virtue of its great utility in solving real-world problems, optimization modeling has been widely employed for optimal decision-making across various sectors, but it requires substantial expertise from operations research professionals.…

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

The rise in internet usage has led to the generation of massive amounts of data, resulting in the adoption of various supervised and semi-supervised machine learning algorithms, which can effectively utilize the colossal amount of data to…

Data mixing -- determining the ratios of data from different domains -- is a first-order concern for training language models (LMs). While existing mixing methods show promise, they fall short when applied during real-world LM development.…

Machine Learning · Computer Science 2026-02-13 Mayee F. Chen , Tyler Murray , David Heineman , Matt Jordan , Hannaneh Hajishirzi , Christopher Ré , Luca Soldaini , Kyle Lo

The data mixture for large language model pre-training significantly impacts performance, yet how to determine an effective mixture remains unclear. We propose RegMix to automatically identify a high-performing data mixture by formulating…

Computation and Language · Computer Science 2025-01-24 Qian Liu , Xiaosen Zheng , Niklas Muennighoff , Guangtao Zeng , Longxu Dou , Tianyu Pang , Jing Jiang , Min Lin

Our analysis of the NeurIPS 2023 large language model (LLM) fine-tuning competition revealed the following trend: top-performing models exhibit significant overfitting on benchmark datasets, mirroring the broader issue of benchmark…

Combining the results of different search engines in order to improve upon their performance has been the subject of many research papers. This has become known as the "Data Fusion" task, and has great promise in dealing with the vast…

Information Retrieval · Computer Science 2018-02-13 Weinan Huang , Junyi Chen , Lei Meng , David Lillis

Large Language Models (LLMs) enable advanced natural language processing but face deployment challenges on resource-constrained edge devices due to high computational, memory, and energy demands. Optimizing these models requires addressing…

Machine Learning · Computer Science 2026-01-16 Jacob Sander , Brian Jalaian , Venkat R. Dasari

While integrating tools like Code Interpreter and Search has significantly enhanced Large Language Model (LLM) reasoning in models like ChatGPT Agent and Gemini-Pro, practical guidance on optimal tool use is lacking. The core challenge is…

Computation and Language · Computer Science 2025-10-03 Yongchao Chen , Jiefeng Chen , Rui Meng , Ji Yin , Na Li , Chuchu Fan , Chi Wang , Tomas Pfister , Jinsung Yoon