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The growing deployment of low-cost, distributed sensor networks in environmental and biomedical domains has enabled continuous, large-scale health monitoring. However, these systems often face challenges related to degraded data quality…

Machine Learning · Computer Science 2025-08-07 Keivan Faghih Niresi , Ismail Nejjar , Olga Fink

Recent advancements in large-scale pre-training have shown the potential to learn generalizable representations for downstream tasks. In the graph domain, however, capturing and transferring structural information across different graph…

Machine Learning · Computer Science 2026-02-24 Jialin Chen , Haolan Zuo , Haoyu Peter Wang , Siqi Miao , Pan Li , Rex Ying

Graph Neural Networks (GNNs) have excelled in learning from graph-structured data, especially in understanding the relationships within a single graph, i.e., intra-graph relationships. Despite their successes, GNNs are limited by neglecting…

Machine Learning · Computer Science 2024-05-08 Qi Zou , Na Yu , Daoliang Zhang , Wei Zhang , Rui Gao

Complex systems are characterized by intricate interactions between entities that evolve dynamically over time. Accurate inference of these dynamic relationships is crucial for understanding and predicting system behavior. In this paper, we…

Performing signal processing over graphs requires knowledge of the underlying fixed topology. However, graphs often grow in size with new nodes appearing over time, whose connectivity is typically unknown; hence, making more challenging the…

Signal Processing · Electrical Eng. & Systems 2022-03-16 Bishwadeep Das , Elvin Isufi

Test-time adaptation (TTA) addresses distribution shifts for streaming test data in unsupervised settings. Currently, most TTA methods can only deal with minor shifts and rely heavily on heuristic and empirical studies. To advance TTA under…

Machine Learning · Computer Science 2024-04-09 Shurui Gui , Xiner Li , Shuiwang Ji

Test-time adaptation is a promising research direction that allows the source model to adapt itself to changes in data distribution without any supervision. Yet, current methods are usually evaluated on benchmarks that are only a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Damian Sójka , Sebastian Cygert , Bartłomiej Twardowski , Tomasz Trzciński

In intelligent transportation systems (ITS), traffic management departments rely on sensors, cameras, and GPS devices to collect real-time traffic data. Traffic speed data is often incomplete due to sensor failures, data transmission…

Machine Learning · Computer Science 2025-04-25 Jiawen Hou , Hao Wu

Many operations in power grids, such as fault detection and event location estimation, depend on precise timing information. In this paper, a novel time stamp attack (TSA) is proposed to attack the timing information in smart grid. Since…

Cryptography and Security · Computer Science 2012-01-13 Shuping Gong , Zhenghao Zhang , Husheng Li , Aleksandar D. Dimitrovski

Test-time adaptation (TTA) has emerged as a promising paradigm to handle the domain shifts at test time for medical images from different institutions without using extra training data. However, existing TTA solutions for segmentation tasks…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Chuyan Zhang , Hao Zheng , Xin You , Yefeng Zheng , Yun Gu

The high tracking overhead, the amount of up-front effort required to selecting the trace points, and the lack of effective data analysis model are the significant barriers to the adoption of intra-component tracking for fault diagnosis…

Software Engineering · Computer Science 2022-10-17 Wei Zhang , Yuxi Hu , Bolong Tan , Xiaohai Shi , Jianhui Jiang

This paper presents a Spark-based modular LangGraph framework, designed to enhance machine learning workflows through scalability, visualization, and intelligent process optimization. At its core, the framework introduces Agent AI, a…

Artificial Intelligence · Computer Science 2024-12-09 Jialin Wang , Zhihua Duan

Test-time adaptation (TTA) seeks to tackle potential distribution shifts between training and testing data by adapting a given model w.r.t. any testing sample. This task is particularly important for deep models when the test environment…

Machine Learning · Computer Science 2022-06-01 Shuaicheng Niu , Jiaxiang Wu , Yifan Zhang , Yaofo Chen , Shijian Zheng , Peilin Zhao , Mingkui Tan

Accurate and reliable visualization of spatiotemporal sensor data such as environmental parameters and meteorological conditions is crucial for informed decision-making. Traditional spatial interpolation methods, however, often fall short…

Machine Learning · Computer Science 2025-08-05 Juntong Chen , Huayuan Ye , He Zhu , Siwei Fu , Changbo Wang , Chenhui Li

Reasoning in a temporal knowledge graph (TKG) is a critical task for information retrieval and semantic search. It is particularly challenging when the TKG is updated frequently. The model has to adapt to changes in the TKG for efficient…

Artificial Intelligence · Computer Science 2021-05-11 Jiapeng Wu , Yishi Xu , Yingxue Zhang , Chen Ma , Mark Coates , Jackie Chi Kit Cheung

Spectral graph sparsification aims to find ultra-sparse subgraphs whose Laplacian matrix can well approximate the original Laplacian eigenvalues and eigenvectors. In recent years, spectral sparsification techniques have been extensively…

Data Structures and Algorithms · Computer Science 2020-04-30 Zhuo Feng

Test-time adaption (TTA) has witnessed important progress in recent years, the prevailing methods typically first encode the image and the text and design strategies to model the association between them. Meanwhile, the image encoder is…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yaxiong Wang , Zhenqiang Zhang , Lechao Cheng , Zhun Zhong , Dan Guo , Meng Wang

This paper deals with a novel Plug-and-Play (PnP) architecture for the control and monitoring of Large-Scale Systems (LSSs). The proposed approach integrates a distributed Model Predictive Control (MPC) strategy with a distributed Fault…

Systems and Control · Computer Science 2014-09-19 Stefano Riverso , Francesca Boem , Giancarlo Ferrari-Trecate , Thomas Parisini

Nasotracheal intubation (NTI) is a vital procedure in emergency airway management, where rapid and accurate glottis detection is essential to ensure patient safety. However, existing machine assisted visual detection systems often rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Jinyu Liu , Gaoyang Zhang , Yang Zhou , Ruoyi Hao , Yang Zhang , Hongliang Ren

Interpolation-based Data Augmentation (DA) methods (Mixup) linearly interpolate the inputs and labels of two or more training examples. Mixup has more recently been adapted to the field of Natural Language Processing (NLP), mainly for…

Computation and Language · Computer Science 2023-11-17 Yuxin Pei , Pushkar Bhuse , Zhengzhong Liu , Eric Xing