English
Related papers

Related papers: Combinatorial Data Augmentation: A Key Enabler to …

200 papers

Data augmentation has been widely used in low-resource NER tasks to tackle the problem of data sparsity. However, previous data augmentation methods have the disadvantages of disrupted syntactic structures, token-label mismatch, and…

Computation and Language · Computer Science 2023-07-18 Sihan Song , Furao Shen , Jian Zhao

Recently, data augmentation (DA) has emerged as a method for leveraging domain knowledge to inexpensively generate additional data in reinforcement learning (RL) tasks, often yielding substantial improvements in data efficiency. While prior…

Machine Learning · Computer Science 2024-03-19 Nicholas E. Corrado , Josiah P. Hanna

Data augmentation has been established as an efficacious approach to supplement useful information for low-resource datasets. Traditional augmentation techniques such as noise injection and image transformations have been widely used. In…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yuwei Yin , Jean Kaddour , Xiang Zhang , Yixin Nie , Zhenguang Liu , Lingpeng Kong , Qi Liu

The success of algorithms in the analysis of high-dimensional data is often attributed to the manifold hypothesis, which supposes that this data lie on or near a manifold of much lower dimension. It is often useful to determine or estimate…

Machine Learning · Statistics 2024-09-10 Anna C. Gilbert , Kevin O'Neill

Recently, a state-of-the-art family of algorithms, known as Goal-Conditioned Weighted Supervised Learning (GCWSL) methods, has been introduced to tackle challenges in offline goal-conditioned reinforcement learning (RL). GCWSL optimizes a…

Machine Learning · Computer Science 2024-12-23 Xing Lei , Xuetao Zhang , Donglin Wang

Recently, data augmentation (DA) methods have been proven to be effective for pre-trained language models (PLMs) in low-resource settings, including few-shot named entity recognition (NER). However, conventional NER DA methods are mostly…

Computation and Language · Computer Science 2023-05-22 Huiming Wang , Liying Cheng , Wenxuan Zhang , De Wen Soh , Lidong Bing

Recently, Graph Neural Networks (GNNs) achieve remarkable success in Recommendation. To reduce the influence of data sparsity, Graph Contrastive Learning (GCL) is adopted in GNN-based CF methods for enhancing performance. Most GCL methods…

Information Retrieval · Computer Science 2023-02-07 Junjie Huang , Qi Cao , Ruobing Xie , Shaoliang Zhang , Feng Xia , Huawei Shen , Xueqi Cheng

Graph Domain Adaptation (GDA) transfers knowledge from labeled source graphs to unlabeled target graphs, addressing the challenge of label scarcity. In this paper, we highlight the significance of graph homophily, a pivotal factor for graph…

Social and Information Networks · Computer Science 2025-06-03 Ruiyi Fang , Bingheng Li , Jingyu Zhao , Ruizhi Pu , Qiuhao Zeng , Gezheng Xu , Charles Ling , Boyu Wang

Due to its powerful capability of self-supervised representation learning and clustering, contrastive attributed graph clustering (CAGC) has achieved great success, which mainly depends on effective data augmentation and contrastive…

Machine Learning · Computer Science 2025-10-06 Tianxiang Zhao , Youqing Wang , Jinlu Wang , Jiapu Wang , Mingliang Cui , Junbin Gao , Jipeng Guo

Data augmentation refers to a group of techniques whose goal is to battle limited amount of available data to improve model generalization and push sample distribution toward the true distribution. While different augmentation strategies…

Quantitative Methods · Quantitative Biology 2020-06-03 Ruqian Hao , Khashayar Namdar , Lin Liu , Masoom A. Haider , Farzad Khalvati

A significant challenge in object detection is accurate identification of an object's position in image space, whereas one algorithm with one set of parameters is usually not enough, and the fusion of multiple algorithms and/or parameters…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Pan Wei , John E. Ball , Derek T. Anderson

Generative data augmentation, which scales datasets by obtaining fake labeled examples from a trained conditional generative model, boosts classification performance in various learning tasks including (semi-)supervised learning, few-shot…

Machine Learning · Computer Science 2023-05-30 Chenyu Zheng , Guoqiang Wu , Chongxuan Li

Multi-source Domain Adaptation (MDA) aims to transfer knowledge from multiple labeled source domains to an unlabeled target domain. Nevertheless, traditional methods primarily focus on achieving inter-domain alignment through sample-level…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Yang Yuxiang , Zeng Xinyi , Zeng Pinxian , Zu Chen , Yan Binyu , Zhou Jiliu , Wang Yan

The mixture model is undoubtedly one of the greatest contributions to clustering. For continuous data, Gaussian models are often used and the Expectation-Maximization (EM) algorithm is particularly suitable for estimating parameters from…

Machine Learning · Statistics 2025-11-25 Zineddine Tighidet , Lazhar Labiod , Mohamed Nadif

Data augmentation (DA) is fundamental against overfitting in large convolutional neural networks, especially with a limited training dataset. In images, DA is usually based on heuristic transformations, like geometric or color…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Saypraseuth Mounsaveng , David Vazquez , Ismail Ben Ayed , Marco Pedersoli

As an essential branch of recommender systems, sequential recommendation (SR) has received much attention due to its well-consistency with real-world situations. However, the widespread data sparsity issue limits the SR model's performance.…

Information Retrieval · Computer Science 2024-09-23 Yizhou Dang , Enneng Yang , Yuting Liu , Guibing Guo , Linying Jiang , Jianzhe Zhao , Xingwei Wang

In this paper, we investigate a joint device activity detection (DAD), channel estimation (CE), and data decoding (DD) algorithm for multiple-input multiple-output (MIMO) massive unsourced random access (URA). Different from the…

Information Theory · Computer Science 2021-12-20 Tianya Li , Yongpeng Wu , Mengfan Zheng , Wenjun Zhang , Chengwen Xing , Jianping An , Xiang-Gen Xia , Chengshan Xiao

Localizing mobile robotic nodes in indoor and GPS-denied environments is a complex problem, particularly in dynamic, unstructured scenarios where traditional cameras and LIDAR-based sensing and localization modalities may fail.…

Robotics · Computer Science 2023-07-06 Ehsan Latif , Ramviyas Parasuraman

Remote sensing image segmentation is pivotal for earth observation, underpinning applications such as environmental monitoring and urban planning. Due to the limited annotation data available in remote sensing images, numerous studies have…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Yijie Li , Hewei Wang , Jinfeng Xu , Zixiao Ma , Puzhen Wu , Shaofan Wang , Soumyabrata Dev

A non-vector-based dissimilarity measure is proposed by combining vector-based distance metrics and set operations. This proposed compound dissimilarity measure (CDM) is applicable to quantify similarity of collections of attribute/feature…

Applications · Statistics 2018-06-27 Caifa Zhou , Andreas Wieser