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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…

机器学习 · 计算机科学 2026-01-16 Anvith Thudi , Evianne Rovers , Yangjun Ruan , Tristan Thrush , Chris J. Maddison

Existing works show that augmenting the training data of pre-trained language models (PLMs) for classification tasks fine-tuned via parameter-efficient fine-tuning methods (PEFT) using both clean and adversarial examples can enhance their…

计算与语言 · 计算机科学 2024-06-18 Tuc Nguyen , Thai Le

Multilingual language models are widely used to extend NLP systems to low-resource languages. However, concrete evidence for the effects of multilinguality on language modeling performance in individual languages remains scarce. Here, we…

计算与语言 · 计算机科学 2023-11-16 Tyler A. Chang , Catherine Arnett , Zhuowen Tu , Benjamin K. Bergen

Self-supervised representation learning (SSRL) has demonstrated superior performance than supervised models for tasks including phoneme recognition. Training SSRL models poses a challenge for low-resource languages where sufficient…

音频与语音处理 · 电气工程与系统科学 2024-07-02 Asad Ullah , Alessandro Ragano , Andrew Hines

How to solve the data scarcity problem for end-to-end speech-to-text translation (ST)? It's well known that data augmentation is an efficient method to improve performance for many tasks by enlarging the dataset. In this paper, we propose…

计算与语言 · 计算机科学 2022-12-08 Xuxin Cheng , Qianqian Dong , Fengpeng Yue , Tom Ko , Mingxuan Wang , Yuexian Zou

The pre-trained multi-lingual XLSR model generalizes well for language identification after fine-tuning on unseen languages. However, the performance significantly degrades when the languages are not very distinct from each other, for…

机器学习 · 计算机科学 2023-02-17 Shangeth Rajaa , Kriti Anandan , Swaraj Dalmia , Tarun Gupta , Eng Siong Chng

To obtain a language model for a target domain (e.g. math), the current paradigm is to pre-train on a vast amount of generic web text and then fine-tune on the relatively limited amount of target data. Typically, generic data is only mixed…

计算与语言 · 计算机科学 2026-03-06 Suhas Kotha , Percy Liang

Unsupervised cross-lingual pretraining has achieved strong results in neural machine translation (NMT), by drastically reducing the need for large parallel data. Most approaches adapt masked-language modeling (MLM) to sequence-to-sequence…

计算与语言 · 计算机科学 2021-06-11 Christos Baziotis , Ivan Titov , Alexandra Birch , Barry Haddow

The rise of large language models (LLMs) has created a significant disparity: industrial research labs with their computational resources, expert teams, and advanced infrastructures, can effectively fine-tune LLMs, while individual…

Fine-tuning pre-trained models for downstream tasks is a widely adopted technique known for its adaptability and reliability across various domains. Despite its conceptual simplicity, fine-tuning entails several troublesome engineering…

人工智能 · 计算机科学 2024-12-30 Chaeyun Jang , Hyungi Lee , Jungtaek Kim , Juho Lee

Domain adaptation of neural networks commonly relies on three training phases: pretraining, selected data training and then fine tuning. Data selection improves target domain generalization by training further on pretraining data identified…

计算与语言 · 计算机科学 2021-09-17 Dan Iter , David Grangier

Language model fine-tuning is essential for modern natural language processing, but is computationally expensive and time-consuming. Further, the effectiveness of fine-tuning is limited by the inclusion of training examples that negatively…

计算与语言 · 计算机科学 2022-05-23 Richard Antonello , Nicole Beckage , Javier Turek , Alexander Huth

In natural language processing, it has been observed recently that generalization could be greatly improved by finetuning a large-scale language model pretrained on a large unlabeled corpus. Despite its recent success and wide adoption,…

机器学习 · 计算机科学 2020-01-24 Cheolhyoung Lee , Kyunghyun Cho , Wanmo Kang

As instruction-tuned large language models (LLMs) gain global adoption, their ability to follow instructions in multiple languages becomes increasingly crucial. In this work, we investigate how multilinguality during instruction tuning of a…

计算与语言 · 计算机科学 2024-05-22 Uri Shaham , Jonathan Herzig , Roee Aharoni , Idan Szpektor , Reut Tsarfaty , Matan Eyal

As a dominant paradigm, fine-tuning a pre-trained model on the target data is widely used in many deep learning applications, especially for small data sets. However, recent studies have empirically shown that training from scratch has the…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Ziquan Liu , Yi Xu , Yuanhong Xu , Qi Qian , Hao Li , Xiangyang Ji , Antoni Chan , Rong Jin

Supervised fine-tuning (SFT) is crucial for adapting Large Language Models (LLMs) to specific tasks. In this work, we demonstrate that the order of training data can lead to significant training imbalances, potentially resulting in…

计算与语言 · 计算机科学 2024-10-08 Yiming Ju , Ziyi Ni , Xingrun Xing , Zhixiong Zeng , hanyu Zhao , Siqi Fan , Zheng Zhang

Existing research has shown that a multilingual pre-trained language model fine-tuned with one (source) language also performs well on downstream tasks for non-source languages, even though no fine-tuning is done on these languages.…

计算与语言 · 计算机科学 2023-05-22 Yiduo Guo , Yaobo Liang , Dongyan Zhao , Bing Liu , Duan Nan

The use of multilingual language models for tasks in low and high-resource languages has been a success story in deep learning. In recent times, Arabic has been receiving widespread attention on account of its dialectal variance. While…

计算与语言 · 计算机科学 2022-11-09 Soumajyoti Sarkar , Kaixiang Lin , Sailik Sengupta , Leonard Lausen , Sheng Zha , Saab Mansour

Fine-tuning large language models (LLMs) with limited data poses a practical challenge in low-resource languages, specialized domains, and constrained deployment settings. While pre-trained LLMs provide strong foundations, effective…

计算与语言 · 计算机科学 2025-10-29 Marton Szep , Daniel Rueckert , Rüdiger von Eisenhart-Rothe , Florian Hinterwimmer

Modern machine learning algorithms are increasingly computationally demanding, requiring specialized hardware and distributed computation to achieve high performance in a reasonable time frame. Many hyperparameter search algorithms have…

机器学习 · 计算机科学 2018-07-16 Richard Liaw , Eric Liang , Robert Nishihara , Philipp Moritz , Joseph E. Gonzalez , Ion Stoica