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Alongside the continuous process of improving AI performance through the development of more sophisticated models, researchers have also focused their attention to the emerging concept of data-centric AI, which emphasizes the important role…

Machine Learning · Computer Science 2024-07-30 Jingjing Xu , Caesar Wu , Yuan-Fang Li , Gregoire Danoy , Pascal Bouvry

Time series data has been demonstrated to be crucial in various research fields. The management of large quantities of time series data presents challenges in terms of deep learning tasks, particularly for training a deep neural network.…

Machine Learning · Computer Science 2024-06-11 Zhanyu Liu , Ke Hao , Guanjie Zheng , Yanwei Yu

Classification of time series data is an important task for many application domains. One of the best existing methods for this task, in terms of accuracy and computation time, is MiniROCKET. In this work, we extend this approach to provide…

Machine Learning · Computer Science 2022-02-17 Kenny Schlegel , Peer Neubert , Peter Protzel

Time series chain (TSC) is a recently introduced concept that captures the evolving patterns in large scale time series. Informally, a time series chain is a temporally ordered set of subsequences, in which consecutive subsequences in the…

Machine Learning · Computer Science 2026-02-17 Li Zhang , Nital Patel , Xiuqi Li , Jessica Lin

Efficient distributed numerical word representation models (word embeddings) combined with modern machine learning algorithms have recently yielded considerable improvement on automatic document classification tasks. However, the…

Computation and Language · Computer Science 2018-09-07 Roger A. Stein , Patricia A. Jaques , Joao F. Valiati

We develop a novel algorithm, Predictive Hierarchical Clustering (PHC), for agglomerative hierarchical clustering of current procedural terminology (CPT) codes. Our predictive hierarchical clustering aims to cluster subgroups, not…

Methodology · Statistics 2017-08-03 Elizabeth C. Lorenzi , Stephanie L. Brown , Zhifei Sun , Katherine Heller

Time series classification (TSC), the problem of predicting class labels of time series, has been around for decades within the community of data mining and machine learning, and found many important applications such as biomedical…

Computer Vision and Pattern Recognition · Computer Science 2016-05-12 Zhicheng Cui , Wenlin Chen , Yixin Chen

Spatial transcriptomics (ST) enables the visualization of gene expression within the context of tissue morphology. This emerging discipline has the potential to serve as a foundation for developing tools to design precision medicines.…

Image and Video Processing · Electrical Eng. & Systems 2024-11-12 Shivam Kumar , Samrat Chatterjee

Due to the flexibility in modelling data heterogeneity, heterogeneous information network (HIN) has been adopted to characterize complex and heterogeneous auxiliary data in top-$N$ recommender systems, called \emph{HIN-based…

Information Retrieval · Computer Science 2021-06-15 Hui Wang , Kun Zhou , Wayne Xin Zhao , Jingyuan Wang , Ji-Rong Wen

High Efficiency Video Coding (HEVC) significantly reduces bit-rates over the proceeding H.264 standard but at the expense of extremely high encoding complexity. In HEVC, the quad-tree partition of coding unit (CU) consumes a large…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Mai Xu , Tianyi Li , Zulin Wang , Xin Deng , Ren Yang , Zhenyu Guan

The BirdCLEF+ 2025 challenge requires classifying 206 species, including birds, mammals, insects, and amphibians, from soundscape recordings under a strict 90-minute CPU-only inference deadline, making many state-of-the-art deep learning…

Sound · Computer Science 2025-07-14 Anthony Miyaguchi , Murilo Gustineli , Adrian Cheung

Real-time machine learning has recently attracted significant interest due to its potential to support instantaneous learning, adaptation, and decision making in a wide range of application domains, including self-driving vehicles,…

Machine Learning · Computer Science 2023-01-27 Yong Xiao , Xiaohan Zhang , Guangming Shi , Marwan Krunz , Diep N. Nguyen , Dinh Thai Hoang

Prediction based on Irregularly Sampled Time Series (ISTS) is of wide concern in the real-world applications. For more accurate prediction, the methods had better grasp more data characteristics. Different from ordinary time series, ISTS is…

Machine Learning · Computer Science 2021-05-04 Chenxi Sun , Shenda Hong , Moxian Song , Yanxiu Zhou , Yongyue Sun , Derun Cai , Hongyan Li

Time series machine learning (TSML) is a growing research field that spans a wide range of tasks. The popularity of established tasks such as classification, clustering, and extrinsic regression has, in part, been driven by the availability…

In recent years, deep learning (DL) models have shown outstanding performance in EEG classification tasks, particularly in Steady-State Visually Evoked Potential(SSVEP)-based Brain-Computer-Interfaces(BCI)systems. DL methods have been…

Signal Processing · Electrical Eng. & Systems 2025-02-21 Yan Huang , Yongru Chen , Lei Cao , Yongnian Cao , Xuechun Yang , Yilin Dong , Tianyu Liu

Time-series classification is an important problem for the data mining community due to the wide range of application domains involving time-series data. A recent paradigm, called shapelets, represents patterns that are highly predictive…

Machine Learning · Computer Science 2015-03-12 Josif Grabocka , Martin Wistuba , Lars Schmidt-Thieme

Network Traffic Classification (NTC) is one of the most important tasks in network management. The imbalanced nature of classes on the internet presents a critical challenge in classification tasks. For example, some classes of applications…

Machine Learning · Computer Science 2025-02-27 Matin Shokri , Ramin Hasibi

Deep learning models achieve state-of-the-art performance across domains but face scalability challenges in real-time or resource-constrained scenarios. To address this, we propose Loss Trajectory Correlation (LTC), a novel metric for…

Machine Learning · Computer Science 2025-03-14 Manish Nagaraj , Deepak Ravikumar , Efstathia Soufleri , Kaushik Roy

Time series imputation benefits from leveraging cross-feature correlations, yet existing attention-based methods re-discover feature relationships at each layer, lacking persistent anchors to maintain consistent representations. To address…

Machine Learning · Computer Science 2026-05-05 Fengming Zhang , Wenjie Du , Huan Zhang , Ke Yu , Shen Qu

This paper focuses on Semi-Supervised Object Detection (SSOD). Knowledge Distillation (KD) has been widely used for semi-supervised image classification. However, adapting these methods for SSOD has the following obstacles. (1) The teacher…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Cong Chen , Shouyang Dong , Ye Tian , Kunlin Cao , Li Liu , Yuanhao Guo