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Existing Graph Neural Networks (GNNs) compute the message exchange between nodes by either aggregating uniformly (convolving) the features of all the neighboring nodes, or by applying a non-uniform score (attending) to the features. Recent…

机器学习 · 计算机科学 2023-03-02 Adrián Javaloy , Pablo Sanchez-Martin , Amit Levi , Isabel Valera

Gait emotion recognition plays a crucial role in the intelligent system. Most of the existing methods recognize emotions by focusing on local actions over time. However, they ignore that the effective distances of different emotions in the…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Yunfei Yin , Li Jing , Faliang Huang , Guangchao Yang , Zhuowei Wang

Multimodal time series (MTS) anomaly detection is crucial for maintaining the safety and stability of working devices (e.g., water treatment system and spacecraft), whose data are characterized by multivariate time series with diverse…

机器学习 · 计算机科学 2023-10-18 Chaoyue Ding , Shiliang Sun , Jing Zhao

Spatial-temporal network traffic forecasting is a challenging task due to the complex spatial relationships and dynamic temporal patterns present in each node. Traditional regression methods are not directly applicable to such graph data.…

信息检索 · 计算机科学 2026-05-12 Jinming Xing , Guoheng Sun , Hui Sun , Linchao Pan , Shakir Mahmood , Xuanhao Luo , Muhammad Shahzad

The research on human emotion under multimedia stimulation based on physiological signals is an emerging field, and important progress has been achieved for emotion recognition based on multi-modal signals. However, it is challenging to…

机器学习 · 计算机科学 2021-08-10 Ziyu Jia , Youfang Lin , Jing Wang , Zhiyang Feng , Xiangheng Xie , Caijie Chen

Stress significantly contributes to both mental and physical disorders, yet traditional self-reported questionnaires are inherently subjective. In this study, we introduce a novel framework that employs geometric machine learning to detect…

机器学习 · 计算机科学 2025-06-03 Sonia Koszut , Sam Nallaperuma-Herzberg , Pietro Lio

Emotion recognition based on electroencephalography (EEG) has received attention as a way to implement human-centric services. However, there is still much room for improvement, particularly in terms of the recognition accuracy. In this…

人机交互 · 计算机科学 2018-09-13 Seong-Eun Moon , Soobeom Jang , Jong-Seok Lee

Accurate power load forecasting is essential for the efficient operation and planning of electrical grids, particularly given the increased variability and complexity introduced by renewable energy sources. This paper introduces GAT-LSTM, a…

机器学习 · 计算机科学 2025-02-13 Ugochukwu Orji , Çiçek Güven , Dan Stowell

We perform spatio-temporal analysis of public sentiment using geotagged photo collections. We develop a deep learning-based classifier that predicts the emotion conveyed by an image. This allows us to associate sentiment with place. We…

计算机视觉与模式识别 · 计算机科学 2016-09-23 Yi Zhu , Shawn Newsam

Graph Attention Network (GAT) focuses on modelling simple undirected and single relational graph data only. This limits its ability to deal with more general and complex multi-relational graphs that contain entities with directed links of…

人工智能 · 计算机科学 2021-09-14 Meiqi Chen , Yuan Zhang , Xiaoyu Kou , Yuntao Li , Yan Zhang

It's common for current methods in skeleton-based action recognition to mainly consider capturing long-term temporal dependencies as skeleton sequences are typically long (>128 frames), which forms a challenging problem for previous…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Lianyu Hu , Shenglan Liu , Wei Feng

Purpose: This paper aims to enhance bearing fault diagnosis in industrial machinery by introducing a novel method that combines Graph Attention Network (GAT) and Long Short-Term Memory (LSTM) networks. This approach captures both spatial…

The affective brain-computer interface is a crucial technology for affective interaction and emotional intelligence, emerging as a significant area of research in the human-computer interaction. Compared to single-type features, multi-type…

人机交互 · 计算机科学 2025-08-11 Xueyuan Xu , Wenjia Dong , Fulin Wei , Li Zhuo

The present study explores the intricacies of causal relationship extraction, a vital component in the pursuit of causality knowledge. Causality is frequently intertwined with temporal elements, as the progression from cause to effect is…

计算与语言 · 计算机科学 2023-04-24 Xiaosong Yuan , Ke Chen , Wanli Zuo , Yijia Zhang

Within the field of Humanities, there is a recognized need for educational innovation, as there are currently no reported tools available that enable individuals to interact with their environment to create an enhanced learning experience…

There is a growing need for sparse representational formats of human affective states that can be utilized in scenarios with limited computational memory resources. We explore whether representing neural data, in response to emotional…

Human affects are complex paradox and an active research domain in affective computing. Affects are traditionally determined through a self-report based psychometric questionnaire or through facial expression recognition. However, few…

人机交互 · 计算机科学 2021-02-16 Md. Mahbubur Rahman , Akash Poddar , Md. Golam Rabiul Alam , Samrat Kumar Dey

Time series analysis is critical for emerging net- work intelligent control and management functions. However, existing statistical-based and shallow machine learning models have shown limited prediction capabilities on multivariate time…

机器学习 · 计算机科学 2026-03-13 Yufeng Xin , Ethan Fan

Clustering high-dimensional multivariate spatiotemporal climate data is challenging due to complex temporal dependencies, evolving spatial interactions, and non-stationary dynamics. Conventional clustering methods, including recurrent and…

机器学习 · 计算机科学 2025-09-17 Francis Ndikum Nji , Vandana Janaja , Jianwu Wang

Recognition of electroencephalographic (EEG) signals highly affect the efficiency of non-invasive brain-computer interfaces (BCIs). While recent advances of deep-learning (DL)-based EEG decoders offer improved performances, the development…

机器学习 · 计算机科学 2022-10-06 Yue-Ting Pan , Jing-Lun Chou , Chun-Shu Wei