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[期刊论文]

DA-Net: Dual-attention network for multivariate time series classification

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author:

Chen, Rongjun (Chen, Rongjun.) [1] | Yan, Xuanhui (Yan, Xuanhui.) [2] | Wang, Shiping (Wang, Shiping.) [3] (Scholars:王石平) | Unfold

Indexed by:

EI Scopus SCIE

Abstract:

Multivariate time series classification is one of the increasingly important issues in machine learning. Existing methods focus on establishing the global long-range dependen-cies or discovering the local critical sequence fragments. However, they often ignore the combined information from both global and local features. In this paper, we propose a novel network (called DA-Net) based on dual attention to mine the local???global features for multivariate time series classification. Specifically, DA-Net consists of two distinctive layers, i.e., the Squeeze-Excitation Window Attention (SEWA) layer and the Sparse Self -Attention within Windows (SSAW) layer. For the SEWA layer, we capture the local window-wise information by explicitly establishing window dependencies to prioritize critical windows. For the SSAW layer, we preserve rich activate scores with less computa-tion to widen the window scope for capturing global long-range dependencies. Based on the two elaborated layers, DA-Net can mine critical local sequence fragments in the process of establishing global long-range dependencies. The experimental results show that DA -Net is able to achieve competing performance with state-of-the-art approaches on the mul-tivariate time series classification. ?? 2022 Elsevier Inc. All rights reserved.

Keyword:

Attention Deep learning Multivariate time series classification UEA datasets

Community:

  • [ 1 ] [Chen, Rongjun]Fujian Normal Univ, Sch Comp & Cyberspace Secur, Fujian Internet Things Lab Environm Monitoring, Fuzhou, Fujian, Peoples R China
  • [ 2 ] [Yan, Xuanhui]Fujian Normal Univ, Sch Comp & Cyberspace Secur, Fujian Internet Things Lab Environm Monitoring, Fuzhou, Fujian, Peoples R China
  • [ 3 ] [Wang, Shiping]Fuzhou Univ, Coll Math & Comp Sci, Fuzhou 350108, Peoples R China
  • [ 4 ] [Xiao, Guobao]Minjiang Univ, Coll Comp & Control Engn, Elect Informat & Control Engn Res Ctr Fujian, Fuzhou 350108, Peoples R China

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Source :

INFORMATION SCIENCES

ISSN: 0020-0255

Year: 2022

Volume: 610

Page: 472-487

8 . 1

JCR@2022

0 . 0 0 0

JCR@2023

ESI Discipline: COMPUTER SCIENCE;

ESI HC Threshold:61

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 43

SCOPUS Cited Count: 51

30 Days PV: 10

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