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Supervised fine-tuning enhances the problem-solving abilities of language models across various mathematical reasoning tasks. To maximize such benefits, existing research focuses on broadening the training set with various data augmentation…

计算与语言 · 计算机科学 2024-10-08 Zhihan Zhang , Tao Ge , Zhenwen Liang , Wenhao Yu , Dian Yu , Mengzhao Jia , Dong Yu , Meng Jiang

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

Data augmentation methods have been shown to be a fundamental technique to improve generalization in tasks such as image, text and audio classification. Recently, automated augmentation methods have led to further improvements on image…

机器学习 · 计算机科学 2021-02-17 Elizabeth Fons , Paula Dawson , Xiao-jun Zeng , John Keane , Alexandros Iosifidis

In recent years, language models (LMs) have made remarkable progress in advancing the field of natural language processing (NLP). However, the impact of data augmentation (DA) techniques on the fine-tuning (FT) performance of these LMs has…

计算与语言 · 计算机科学 2023-06-14 Zhengxiang Shi , Aldo Lipani

Large Language Models (LLMs) have transformed artificial intelligence by excelling in complex natural language processing tasks. Their ability to generate human-like text has opened new possibilities for market research, particularly in…

人工智能 · 计算机科学 2026-04-20 Mengxin Wang , Dennis J. Zhang , Heng Zhang

Deep learning approaches are increasingly used to tackle forecasting tasks involving datasets with multiple univariate time series. A key factor in the successful application of these methods is a large enough training sample size, which is…

机器学习 · 计算机科学 2025-01-06 Vitor Cerqueira , Moisés Santos , Luis Roque , Yassine Baghoussi , Carlos Soares

Imbalanced classification and spurious correlation are common challenges in data science and machine learning. Both issues are linked to data imbalance, with certain groups of data samples significantly underrepresented, which in turn would…

机器学习 · 统计学 2026-02-10 Ryumei Nakada , Yichen Xu , Lexin Li , Linjun Zhang

We introduce a novel setup for low-resource task-oriented semantic parsing which incorporates several constraints that may arise in real-world scenarios: (1) lack of similar datasets/models from a related domain, (2) inability to sample…

计算与语言 · 计算机科学 2022-05-19 Kevin Yang , Olivia Deng , Charles Chen , Richard Shin , Subhro Roy , Benjamin Van Durme

Simple yet effective data augmentation techniques have been proposed for sentence-level and sentence-pair natural language processing tasks. Inspired by these efforts, we design and compare data augmentation for named entity recognition,…

计算与语言 · 计算机科学 2020-10-23 Xiang Dai , Heike Adel

Objective: The use of deep learning for electroencephalography (EEG) classification tasks has been rapidly growing in the last years, yet its application has been limited by the relatively small size of EEG datasets. Data augmentation,…

机器学习 · 计算机科学 2022-11-16 Cédric Rommel , Joseph Paillard , Thomas Moreau , Alexandre Gramfort

To train transcriptor models that produce robust results, a large and diverse labeled dataset is required. Finding such data with the necessary characteristics is a challenging task, especially for languages less popular than English.…

声音 · 计算机科学 2026-05-01 Alexandre R. Ferreira , Cláudio E. C. Campelo

This paper tackles one of the greatest limitations in Machine Learning: Data Scarcity. Specifically, we explore whether high accuracy classifiers can be built from small datasets, utilizing a combination of data augmentation techniques and…

计算与语言 · 计算机科学 2020-07-03 Chetanya Rastogi , Nikka Mofid , Fang-I Hsiao

Hate speech is a global phenomenon, but most hate speech datasets so far focus on English-language content. This hinders the development of more effective hate speech detection models in hundreds of languages spoken by billions across the…

计算与语言 · 计算机科学 2022-10-21 Paul Röttger , Debora Nozza , Federico Bianchi , Dirk Hovy

Data augmentation is an essential part of the training process applied to deep learning models. The motivation is that a robust training process for deep learning models depends on large annotated datasets, which are expensive to be…

计算机视觉与模式识别 · 计算机科学 2017-10-31 Toan Tran , Trung Pham , Gustavo Carneiro , Lyle Palmer , Ian Reid

Sequential recommender systems have recently achieved significant performance improvements with the exploitation of deep learning (DL) based methods. However, although various DL-based methods have been introduced, most of them only focus…

信息检索 · 计算机科学 2022-03-29 Joo-yeong Song , Bongwon Suh

While recent neural text-to-speech (TTS) systems perform remarkably well, they typically require a substantial amount of recordings from the target speaker reading in the desired speaking style. In this work, we present a novel 3-step…

音频与语音处理 · 电气工程与系统科学 2021-06-03 Goeric Huybrechts , Thomas Merritt , Giulia Comini , Bartek Perz , Raahil Shah , Jaime Lorenzo-Trueba

Manipulating data, such as weighting data examples or augmenting with new instances, has been increasingly used to improve model training. Previous work has studied various rule- or learning-based approaches designed for specific types of…

机器学习 · 计算机科学 2019-10-29 Zhiting Hu , Bowen Tan , Ruslan Salakhutdinov , Tom Mitchell , Eric P. Xing

Data augmentation, the artificial creation of training data for machine learning by transformations, is a widely studied research field across machine learning disciplines. While it is useful for increasing a model's generalization…

计算与语言 · 计算机科学 2022-09-09 Markus Bayer , Marc-André Kaufhold , Christian Reuter

Neural models often exploit superficial features to achieve good performance, rather than deriving more general features. Overcoming this tendency is a central challenge in areas such as representation learning and ML fairness. Recent work…

计算与语言 · 计算机科学 2020-10-12 Rohan Jha , Charles Lovering , Ellie Pavlick

Neural machine translation (NMT) has progressed rapidly over the past several years, and modern models are able to achieve relatively high quality using only monolingual text data, an approach dubbed Unsupervised Machine Translation (UNMT).…

计算与语言 · 计算机科学 2023-03-28 Alex Jones , Isaac Caswell , Ishank Saxena , Orhan Firat