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Data augmentation is an effective approach to tackle over-fitting. Many previous works have proposed different data augmentations strategies for NLP, such as noise injection, word replacement, back-translation etc. Though effective, they…

计算与语言 · 计算机科学 2022-07-13 Le Zhang , Zichao Yang , Diyi Yang

Advances in natural language processing, such as transfer learning from pre-trained language models, have impacted how models are trained for programming language tasks too. Previous research primarily explored code pre-training and…

计算与语言 · 计算机科学 2023-02-08 Pinzhen Chen , Gerasimos Lampouras

The reliance of text classifiers on spurious correlations can lead to poor generalization at deployment, raising concerns about their use in safety-critical domains such as healthcare. In this work, we propose to use counterfactual data…

机器学习 · 计算机科学 2024-01-10 Amir Feder , Yoav Wald , Claudia Shi , Suchi Saria , David Blei

Mixup is a highly successful technique to improve generalization of neural networks by augmenting the training data with combinations of random pairs. Selective mixup is a family of methods that apply mixup to specific pairs, e.g. only…

机器学习 · 计算机科学 2023-06-06 Damien Teney , Jindong Wang , Ehsan Abbasnejad

Systematic generalization is the ability to combine known parts into novel meaning; an important aspect of efficient human learning, but a weakness of neural network learning. In this work, we investigate how two well-known modeling…

人工智能 · 计算机科学 2022-02-23 Laura Ruis , Brenden Lake

Training and fine-tuning deep learning models, especially large language models (LLMs), on limited and imbalanced datasets poses substantial challenges. These issues often result in poor generalization, where models overfit to dominant…

计算与语言 · 计算机科学 2025-01-14 Ashok Choudhary , Cornelius Thiels , Hojjat Salehinejad

Systematic compositionality is an essential mechanism in human language, allowing the recombination of known parts to create novel expressions. However, existing neural models have been shown to lack this basic ability in learning symbolic…

计算与语言 · 计算机科学 2021-10-01 Yichen Jiang , Mohit Bansal

Although sequence-to-sequence models often achieve good performance in semantic parsing for i.i.d. data, their performance is still inferior in compositional generalization. Several data augmentation methods have been proposed to alleviate…

计算与语言 · 计算机科学 2022-05-04 Jingfeng Yang , Le Zhang , Diyi Yang

The use of deep learning for radio modulation recognition has become prevalent in recent years. This approach automatically extracts high-dimensional features from large datasets, facilitating the accurate classification of modulation…

机器学习 · 计算机科学 2023-11-08 Tao Chen , Shilian Zheng , Kunfeng Qiu , Luxin Zhang , Qi Xuan , Xiaoniu Yang

Subspace clustering is the classical problem of clustering a collection of data samples that approximately lie around several low-dimensional subspaces. The current state-of-the-art approaches for this problem are based on the…

机器学习 · 计算机科学 2023-01-26 Maryam Abdolali , Nicolas Gillis

Generalization Performance of Deep Learning models trained using Empirical Risk Minimization can be improved significantly by using Data Augmentation strategies such as simple transformations, or using Mixed Samples. We attempt to…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Deepan Das , Haley Massa , Abhimanyu Kulkarni , Theodoros Rekatsinas

Data augmentation is a series of techniques that generate high-quality artificial data by manipulating existing data samples. By leveraging data augmentation techniques, AI models can achieve significantly improved applicability in tasks…

Though data augmentation has become a standard component of deep neural network training, the underlying mechanism behind the effectiveness of these techniques remains poorly understood. In practice, augmentation policies are often chosen…

机器学习 · 计算机科学 2020-06-08 Raphael Gontijo-Lopes , Sylvia J. Smullin , Ekin D. Cubuk , Ethan Dyer

Compositional generalization is the capability of a model to understand novel compositions composed of seen concepts. There are multiple levels of novel compositions including phrase-phrase level, phrase-word level, and word-word level.…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Chuanhao Li , Zhen Li , Chenchen Jing , Xiaomeng Fan , Wenbo Ye , Yuwei Wu , Yunde Jia

Sampling is a common strategy for generating text from probabilistic models, yet standard ancestral sampling often results in text that is incoherent or ungrammatical. To alleviate this issue, various modifications to a model's sampling…

计算与语言 · 计算机科学 2024-01-08 Clara Meister , Tiago Pimentel , Luca Malagutti , Ethan G. Wilcox , Ryan Cotterell

While mainstream machine learning methods are known to have limited ability to compositionally generalize, new architectures and techniques continue to be proposed to address this limitation. We investigate state-of-the-art techniques and…

计算与语言 · 计算机科学 2021-09-23 Daniel Furrer , Marc van Zee , Nathan Scales , Nathanael Schärli

We present a novel technique for learning semantic representations, which extends the distributional hypothesis to multilingual data and joint-space embeddings. Our models leverage parallel data and learn to strongly align the embeddings of…

计算与语言 · 计算机科学 2014-04-21 Karl Moritz Hermann , Phil Blunsom

Systematic generalization refers to the capacity to understand and generate novel combinations from known components. Despite recent progress by large language models (LLMs) across various domains, these models often fail to extend their…

人工智能 · 计算机科学 2026-02-27 Philipp Mondorf , Shijia Zhou , Monica Riedler , Barbara Plank

We study how effective data augmentation is at capturing the inductive bias of carefully designed network architectures for spatial translation invariance. We evaluate various image classification architectures (antialiased, convolutional,…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Suriya Gunasekar

Mixup and its variants form a popular class of data augmentation techniques.Using a random sample pair, it generates a new sample by linear interpolation of the inputs and labels. However, generating only one single interpolation may limit…

机器学习 · 计算机科学 2024-06-04 Lifeng Shen , Jincheng Yu , Hansi Yang , James T. Kwok