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ISPRS Int. J. Geo-Inf. 2018, 7(7), 287; https://doi.org/10.3390/ijgi7070287

Utilizing MapReduce to Improve Probe-Car Track Data Mining

1
School of Geodesy and Geomatics, Wuhan University, Wuhan 430072, China
2
School of Resource and Environmental Sciences, Wuhan University, Wuhan 430072, China
3
Wuhan Kotei Infomatics Co., Ltd., Wuhan 430072, China
4
Department of Geography and GeoInformation Sciences, College of Science, George Mason University, Fairfax, VA 22030, USA
*
Author to whom correspondence should be addressed.
Received: 29 May 2018 / Revised: 1 July 2018 / Accepted: 19 July 2018 / Published: 23 July 2018
(This article belongs to the Special Issue Geospatial Big Data and Urban Studies)
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Abstract

With the rapidly increasing popularization of the automobile, challenges and greater demands have come to the fore, including traffic congestion, energy crises, traffic safety, and environmental pollution. To address these challenges and demands, enhanced data support and advanced data collection methods are crucial and highly in need. A probe-car serves as an important and effective way to obtain real-time urban road traffic status in the international Intelligent Transportation System (ITS), and probe-car technology provides the corresponding solution through advanced navigation data, offering more possibilities to address the above problems. In addition, massive spatial data-mining technologies associated with probe-car tracking data have emerged. This paper discusses the major problems of spatial data-mining technologies for probe-car tracking data, such as true path restoration and the close correlation of spatial data. To address the road-matching issue in massive probe-car tracking data caused by the strong correlation combining road topology with map matching, this paper presents a MapReduce-based technology in the second spatial data model. The experimental results demonstrate that by implementing the proposed spatial data-mining system on distributed parallel computing, the computational performance was effectively improved by five times and the hardware requirements were significantly reduced. View Full-Text
Keywords: Probe-car track; spatial data-mining; big data; MapReduce Probe-car track; spatial data-mining; big data; MapReduce
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Zheng, L.; Sun, M.; Luo, Y.; Song, X.; Yang, C.; Hu, F.; Yu, M. Utilizing MapReduce to Improve Probe-Car Track Data Mining. ISPRS Int. J. Geo-Inf. 2018, 7, 287.

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