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author:

Zou, Fumin (Zou, Fumin.) [1] | Zhou, Zhaoyi (Zhou, Zhaoyi.) [2] | Cai, Qiqin (Cai, Qiqin.) [3] | Guo, Feng (Guo, Feng.) [4] | Zhang, Xinyi (Zhang, Xinyi.) [5]

Indexed by:

EI

Abstract:

Electronic toll collection (ETC) data mining has become one of the hotspots in the research of intelligent expressway extension applications. Ensuring the integrity of ETC data stands as a critical measure in upholding data quality. ETC data are typical structured data, and although deep learning holds great potential in the ETC data restoration field, its applications in structured data are still in the early stages. To address these issues, we propose an expressway ETC missing transaction data restoration model considering multi-attribute features (MAF). Initially, we employ an entity embedding neural network (EENN) to automatically learn the representation of categorical features in multi-dimensional space, subsequently obtaining embedding vectors from networks that have been adequately trained. Then, we use long short-term memory (LSTM) neural networks to extract the changing patterns of vehicle speeds across several continuous sections. Ultimately, we merge the processed features with other features as input, using a three-layer multilayer perceptron (MLP) to complete the ETC data restoration. To validate the effectiveness of the proposed method, we conducted extensive tests using real ETC datasets and compared it with methods commonly used for structured data restoration. The experimental results demonstrate that the proposed method significantly outperforms others in restoration accuracy on two different datasets. Specifically, our sample data size reached around 400,000 entries. Compared to the currently best method, our method improved the restoration accuracy by 19.06% on non-holiday ETC datasets. The MAE and RMSE values reached optimal levels of 12.394 and 23.815, respectively. The fitting degree of the model to the dataset also reached its peak ((Formula presented.) = 0.993). Meanwhile, the restoration stability of our method on holiday datasets increased by 5.82%. An ablation experiment showed that the EENN and LSTM modules contributed 7.60% and 9% to the restoration accuracy, as well as 4.68% and 7.29% to the restoration stability. This study indicates that the proposed method not only significantly improves the quality of ETC data but also meets the timeliness requirements of big data mining analysis. © 2023 by the authors.

Keyword:

Data mining Embeddings Long short-term memory Restoration Vector spaces

Community:

  • [ 1 ] [Zou, Fumin]Fujian Key Laboratory for Automotive Electronics and Electric Drive, Fujian University of Technology, Fuzhou; 350118, China
  • [ 2 ] [Zhou, Zhaoyi]Fujian Key Laboratory for Automotive Electronics and Electric Drive, Fujian University of Technology, Fuzhou; 350118, China
  • [ 3 ] [Cai, Qiqin]Fujian Key Laboratory for Automotive Electronics and Electric Drive, Fujian University of Technology, Fuzhou; 350118, China
  • [ 4 ] [Cai, Qiqin]School of Mechanical Engineering and Automation, Huaqiao University, Xiamen; 361021, China
  • [ 5 ] [Guo, Feng]Fujian Key Laboratory for Automotive Electronics and Electric Drive, Fujian University of Technology, Fuzhou; 350118, China
  • [ 6 ] [Guo, Feng]College of Computer and Data Science, Fuzhou University, Fuzhou; 350108, China
  • [ 7 ] [Zhang, Xinyi]Fujian Key Laboratory for Automotive Electronics and Electric Drive, Fujian University of Technology, Fuzhou; 350118, China

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Source :

Sensors

ISSN: 1424-8220

Year: 2023

Issue: 21

Volume: 23

3 . 4

JCR@2023

3 . 4 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:2

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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