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Article

Adaptive Sampling for Urban Air Quality through Participatory Sensing

by 1,2,* and 3,*
1
Electronic Information School, Wuhan University, Wuhan 430072, China
2
Collaborative Innovation Center for Geospatial Technology, Wuhan 430079, China
3
School of Information Management and Statistics, Hubei University of Economics, Wuhan 430205, China
*
Authors to whom correspondence should be addressed.
Sensors 2017, 17(11), 2531; https://doi.org/10.3390/s17112531
Received: 27 September 2017 / Revised: 26 October 2017 / Accepted: 31 October 2017 / Published: 3 November 2017
(This article belongs to the Special Issue Crowd-Sensing and Remote Sensing Technologies for Smart Cities)
Air pollution is one of the major problems of the modern world. The popularization and powerful functions of smartphone applications enable people to participate in urban sensing to better know about the air problems surrounding them. Data sampling is one of the most important problems that affect the sensing performance. In this paper, we propose an Adaptive Sampling Scheme for Urban Air Quality (AS-air) through participatory sensing. Firstly, we propose to find the pattern rules of air quality according to the historical data contributed by participants based on Apriori algorithm. Based on it, we predict the on-line air quality and use it to accelerate the learning process to choose and adapt the sampling parameter based on Q-learning. The evaluation results show that AS-air provides an energy-efficient sampling strategy, which is adaptive toward the varied outside air environment with good sampling efficiency. View Full-Text
Keywords: urban sensing; air quality sensing; data sampling; adaptiveness urban sensing; air quality sensing; data sampling; adaptiveness
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MDPI and ACS Style

Zeng, Y.; Xiang, K. Adaptive Sampling for Urban Air Quality through Participatory Sensing. Sensors 2017, 17, 2531. https://doi.org/10.3390/s17112531

AMA Style

Zeng Y, Xiang K. Adaptive Sampling for Urban Air Quality through Participatory Sensing. Sensors. 2017; 17(11):2531. https://doi.org/10.3390/s17112531

Chicago/Turabian Style

Zeng, Yuanyuan, and Kai Xiang. 2017. "Adaptive Sampling for Urban Air Quality through Participatory Sensing" Sensors 17, no. 11: 2531. https://doi.org/10.3390/s17112531

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