Journal
FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE
Volume 101, Issue -, Pages 1201-1212Publisher
ELSEVIER
DOI: 10.1016/j.future.2019.07.056
Keywords
Travel mode detection; Feature engineering; Automated machine learning; Smart mobility; Intelligent transportation systems
Categories
Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior - Brasil (CAPES) [001]
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Online travel mode detection provides context information useful for location-based services, in order to deliver a customized user experience. In the last years, many smartphone-based travel mode detection techniques have been proposed, but few explored the usage of dimensionality reduction in conjunction with hyperparameter optimization to improve accuracy with a reduced cost. In this paper, we propose a method to improve the accuracy and computational cost trade-off of travel mode detection, in which use state-of-the-art Feature Engineering and Automated Machine Learning techniques. In addition, we apply the proposed method in a real mobility dataset using different features and parameters. Our experiments showed that the combination of these techniques can greatly improve online detection performance. (C) 2019 Elsevier B.V. All rights reserved.
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