Design of an integrated model combining recurrent convolutions and attention mechanism for time series prediction

被引:0
|
作者
Narisetty, Nirmalajyothi [1 ]
Babu, Kunda Suresh [2 ]
Gavarraju, Lakshmi Naga Jayaprada [3 ]
Jashva, Munigeti Benjmin [4 ]
Mallampati, Seshu Bhavani [5 ]
Boddu, Yuvaraja [6 ]
机构
[1] Koneru Lakshmaiah Educ Fdn, Dept Comp Sci & Engn, Hyderabad 500043, Telangana, India
[2] Narasaraopeta Engn Coll, Dept Comp Sci & Engn, Narasaraopet 522601, Andhra Pradesh, India
[3] Malla Reddy Coll Engn & Technol, Dept Comp Sci & Engn AI&ML, Hyderabad 500100, Telangana, India
[4] Malla Reddy Univ, Dept Comp Sci & Engn, Hyderabad 500100, Telangana, India
[5] Bhoj Reddy Engn Coll Women, Dept Comp Sci & Engn AI&ML, Vinay Nagar, Hyderabad 500059, Telangana, India
[6] VIT AP Univ, Dept Math, SAS, Amaravati 522241, Andhra Pradesh, India
来源
JOURNAL OF SUPERCOMPUTING | 2025年 / 81卷 / 05期
关键词
Time series prediction; Long short-term memory; Convolutional neural network; Attention mechanism; Metaheuristic optimizations; NETWORK;
D O I
10.1007/s11227-025-07154-5
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
In applications such as healthcare, finance, and environmental monitoring, the demand for more reliable time-series prediction models has grown critical. Traditional models, such as VARMAx, struggle with capturing non-linear and complex dependencies inherent in sequential data. To address these challenges, this work proposes a hybrid model combining Long Short-Term Memory (LSTM) networks with Convolutional Neural Networks (CNNs) and incorporating attention mechanisms for improved precision and interpretability. LSTM networks are utilized to capture long-term dependencies in sequential data, while CNNs are employed to extract significant local features. The attention mechanism enhances the model's focus on critical time-series instances, improving prediction accuracy and interpretability. Additionally, hyperparameter optimization is achieved using metaheuristic approaches such as the grey wolf optimizer and the coot optimization algorithm, ensuring maximum performance. The model integrates multimodal LSTMs to handle diverse data types, such as text and images, while preserving relationships between entities using Graph Neural Networks (GNNs). Adaptive feedback learning, combining reinforcement and federated learning, allows for real-time model adaptability while maintaining data privacy. Bayesian neural networks with dropout regularization provide uncertainty estimation, delivering confidence intervals alongside predictions. The proposed hybrid model demonstrates a 6-8% absolute improvement in predictive accuracy, reduced RMSE, and enhanced interpretability compared to traditional benchmarks. Its effectiveness is particularly evident in scenarios with high uncertainty, complex data, and the need for real-time model adaptation, setting a new standard in time-series prediction.
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页数:37
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