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The challenges facing speech recognition systems, such as variations in pronunciations, adverse audio conditions, and the scarcity of labeled data, emphasize the necessity for a post-processing step that corrects recurring errors. Previous…

计算与语言 · 计算机科学 2023-10-18 Tomer Wullach , Shlomo E. Chazan

When the amount of parallel sentences available to train a neural machine translation is scarce, a common practice is to generate new synthetic training samples from them. A number of approaches have been proposed to produce synthetic…

Training data is at the core of any successful text-to-image models. The quality and descriptiveness of image text are crucial to a model's performance. Given the noisiness and inconsistency in web-scraped datasets, recent works shifted…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Manuel Brack , Sudeep Katakol , Felix Friedrich , Patrick Schramowski , Hareesh Ravi , Kristian Kersting , Ajinkya Kale

The proliferation of generative models, combined with pretraining on web-scale data, raises a timely question: what happens when these models are trained on their own generated outputs? Recent investigations into model-data feedback loops…

A common and effective means for improving language model capabilities involves finetuning a ``student'' language model's parameters on generations from a more proficient ``teacher'' model. Termed ``synthetic data'', these generations are…

In various fields of knowledge creation, including science, new ideas often build on pre-existing information. In this work, we explore this concept within the context of language models. Specifically, we explore the potential of…

计算与语言 · 计算机科学 2024-04-04 David Herel , Tomas Mikolov

Data-centric AI approach aims to enhance the model performance without modifying the model and has been shown to impact model performance positively. While recent attention has been given to data-centric AI based on synthetic data, due to…

计算与语言 · 计算机科学 2023-06-27 Chanjun Park , Seonmin Koo , Seolhwa Lee , Jaehyung Seo , Sugyeong Eo , Hyeonseok Moon , Heuiseok Lim

Although synthetic data is widely promoted as a remedy, its prevailing production paradigm -- one optimizing for statistical smoothness -- systematically removes the long-tail, cognitively grounded irregularities that characterize human…

人工智能 · 计算机科学 2025-12-10 Zhongjie Jiang

Pre-training models with large crawled corpora can lead to issues such as toxicity and bias, as well as copyright and privacy concerns. A promising way of alleviating such concerns is to conduct pre-training with synthetic tasks and data,…

计算与语言 · 计算机科学 2023-06-01 Zexue He , Graeme Blackwood , Rameswar Panda , Julian McAuley , Rogerio Feris

As synthetic data becomes widely used in language model development, understanding its impact on model behavior is crucial. This paper investigates the impact of the diversity of sources of synthetic data on fine-tuned large language…

计算与语言 · 计算机科学 2026-04-29 Max Schaffelder , Albert Gatt

Nowadays, data augmentation through synthetic data has been widely used in the field of Grammatical Error Correction (GEC) to alleviate the problem of data scarcity. However, these synthetic data are mainly used in the pre-training phase…

计算与语言 · 计算机科学 2024-06-26 Yixuan Wang , Baoxin Wang , Yijun Liu , Qingfu Zhu , Dayong Wu , Wanxiang Che

Synthetic data has gained attention for training large language models, but poor-quality data can harm performance (see, e.g., Shumailov et al. (2023); Seddik et al. (2024)). A potential solution is data pruning, which retains only…

Synthetic data has been proposed as a solution to address the issue of high-quality data scarcity in the training of large language models (LLMs). Studies have shown that synthetic data can effectively improve the performance of LLMs on…

计算与语言 · 计算机科学 2024-06-19 Jie Chen , Yupeng Zhang , Bingning Wang , Wayne Xin Zhao , Ji-Rong Wen , Weipeng Chen

The in-context learning ability of large language models (LLMs) enables them to generalize to novel downstream tasks with relatively few labeled examples. However, they require enormous computational resources to be deployed. Alternatively,…

计算与语言 · 计算机科学 2024-01-09 Jean Kaddour , Qi Liu

Software engineers mainly write code by editing existing programs. In contrast, language models (LMs) autoregressively synthesize programs in a single pass. One explanation for this is the scarcity of sequential edit data. While…

机器学习 · 计算机科学 2025-02-12 Ulyana Piterbarg , Lerrel Pinto , Rob Fergus

Synthetic data has transformed language model training, yet its role in time series forecasting remains poorly understood. We present a large-scale empirical study: nine experiment groups, 4,218 runs systematically evaluating synthetic time…

机器学习 · 计算机科学 2026-05-08 Hugo Cazaux , Eyjólfur Ingi Ásgeirsson , Hlynur Stefánsson

Large language models (LLMs) rely on web-scale corpora for pre-training. The noise inherent in these datasets tends to obscure meaningful patterns and ultimately degrade model performance. Data curation mitigates but cannot eliminate such…

计算与语言 · 计算机科学 2026-05-12 Xu Guo , Runyu Peng , Jian Tong , Yunhua Zhou , Haijun Lv , Zhihui Lu , Qipeng Guo

As artificial neural networks, and specifically large language models, have improved rapidly in capabilities and quality, they have increasingly been deployed in real-world applications, from customer service to Google search, despite the…

机器学习 · 计算机科学 2026-02-02 Eugenia Iofinova , Dan Alistarh

The collection and curation of high-quality training data is crucial for developing text classification models with superior performance, but it is often associated with significant costs and time investment. Researchers have recently…

计算与语言 · 计算机科学 2023-10-16 Zhuoyan Li , Hangxiao Zhu , Zhuoran Lu , Ming Yin

In this work, we provide a recipe for training machine translation models in a limited resource setting by leveraging synthetic target data generated using a large pre-trained model. We show that consistently across different benchmarks in…

计算与语言 · 计算机科学 2023-05-11 Sarthak Mittal , Oleksii Hrinchuk , Oleksii Kuchaiev