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Dialogue understanding tasks often necessitate abundant annotated data to achieve good performance and that presents challenges in low-resource settings. To alleviate this barrier, we explore few-shot data augmentation for dialogue…

Computation and Language · Computer Science 2022-11-03 Maximillian Chen , Alexandros Papangelis , Chenyang Tao , Andy Rosenbaum , Seokhwan Kim , Yang Liu , Zhou Yu , Dilek Hakkani-Tur

Most previous methods for text data augmentation are limited to simple tasks and weak baselines. We explore data augmentation on hard tasks (i.e., few-shot natural language understanding) and strong baselines (i.e., pretrained models with…

Computation and Language · Computer Science 2022-03-16 Jing Zhou , Yanan Zheng , Jie Tang , Jian Li , Zhilin Yang

In practice, it is common to find oneself with far too little text data to train a deep neural network. This "Big Data Wall" represents a challenge for minority language communities on the Internet, organizations, laboratories and companies…

Computation and Language · Computer Science 2018-12-13 Claude Coulombe

Recently, a simple combination of passage retrieval using off-the-shelf IR techniques and a BERT reader was found to be very effective for question answering directly on Wikipedia, yielding a large improvement over the previous state of the…

Computation and Language · Computer Science 2019-04-16 Wei Yang , Yuqing Xie , Luchen Tan , Kun Xiong , Ming Li , Jimmy Lin

Dataset augmentation, the practice of applying a wide array of domain-specific transformations to synthetically expand a training set, is a standard tool in supervised learning. While effective in tasks such as visual recognition, the set…

Machine Learning · Statistics 2017-02-21 Terrance DeVries , Graham W. Taylor

Data augmentation is a widely used technique in many machine learning tasks, such as image classification, to virtually enlarge the training dataset size and avoid overfitting. Traditional data augmentation techniques for image…

Machine Learning · Computer Science 2018-04-12 Hiroshi Inoue

NLP has achieved great progress in the past decade through the use of neural models and large labeled datasets. The dependence on abundant data prevents NLP models from being applied to low-resource settings or novel tasks where significant…

Computation and Language · Computer Science 2021-06-15 Jiaao Chen , Derek Tam , Colin Raffel , Mohit Bansal , Diyi Yang

Text augmentation is a technique for constructing synthetic data from an under-resourced corpus to improve predictive performance. Synthetic data generation is common in numerous domains. However, recently text augmentation has emerged in…

Computation and Language · Computer Science 2023-09-12 Mosleh Mahamud , Zed Lee , Isak Samsten

Optimization of image transformation functions for the purpose of data augmentation has been intensively studied. In particular, adversarial data augmentation strategies, which search augmentation maximizing task loss, show significant…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Teppei Suzuki

Data augmentation is an effective technique for improving the performance of machine learning models. However, it has not been explored as extensively in natural language processing (NLP) as it has in computer vision. In this paper, we…

Computation and Language · Computer Science 2024-01-04 Himmet Toprak Kesgin , Mehmet Fatih Amasyali

Data augmentation has recently seen increased interest in NLP due to more work in low-resource domains, new tasks, and the popularity of large-scale neural networks that require large amounts of training data. Despite this recent upsurge,…

Computation and Language · Computer Science 2021-12-03 Steven Y. Feng , Varun Gangal , Jason Wei , Sarath Chandar , Soroush Vosoughi , Teruko Mitamura , Eduard Hovy

Handwritten text and scene text suffer from various shapes and distorted patterns. Thus training a robust recognition model requires a large amount of data to cover diversity as much as possible. In contrast to data collection and…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Canjie Luo , Yuanzhi Zhu , Lianwen Jin , Yongpan Wang

Online social media is rife with offensive and hateful comments, prompting the need for their automatic detection given the sheer amount of posts created every second. Creating high-quality human-labelled datasets for this task is difficult…

Computation and Language · Computer Science 2023-08-01 João A. Leite , Carolina Scarton , Diego F. Silva

In order to reduce overfitting, neural networks are typically trained with data augmentation, the practice of artificially generating additional training data via label-preserving transformations of existing training examples. While these…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Cecilia Summers , Michael J. Dinneen

Emotion recognition in text, the task of identifying emotions such as joy or anger, is a challenging problem in NLP with many applications. One of the challenges is the shortage of available datasets that have been annotated with emotions.…

Computation and Language · Computer Science 2023-10-31 Anna Koufakou , Diego Grisales , Ragy Costa de jesus , Oscar Fox

Data Augmentation (DA) -- enriching training data by adding synthetic samples -- is a technique widely adopted in Computer Vision (CV) and Natural Language Processing (NLP) tasks to improve models performance. Yet, DA has struggled to gain…

Machine Learning · Computer Science 2024-01-24 Chao Wang , Alessandro Finamore , Pietro Michiardi , Massimo Gallo , Dario Rossi

In many cases of machine learning, research suggests that the development of training data might have a higher relevance than the choice and modelling of classifiers themselves. Thus, data augmentation methods have been developed to improve…

Computation and Language · Computer Science 2022-07-25 Markus Bayer , Marc-André Kaufhold , Björn Buchhold , Marcel Keller , Jörg Dallmeyer , Christian Reuter

Data augmentation is an effective performance enhancement in neural machine translation (NMT) by generating additional bilingual data. In this paper, we propose a novel data augmentation enhancement strategy for neural machine translation.…

Computation and Language · Computer Science 2020-04-30 Sufeng Duan , Hai Zhao , Dongdong Zhang , Rui Wang

The mental disorder of online users is determined using social media posts. The major challenge in this domain is to avail the ethical clearance for using the user generated text on social media platforms. Academic re searchers identified…

Computation and Language · Computer Science 2022-11-09 Gunjan Ansari , Muskan Garg , Chandni Saxena

Large models, encompassing large language and diffusion models, have shown exceptional promise in approximating human-level intelligence, garnering significant interest from both academic and industrial spheres. However, the training of…

Machine Learning · Computer Science 2024-03-05 Yue Zhou , Chenlu Guo , Xu Wang , Yi Chang , Yuan Wu