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Information 2015, 6(2), 134-151; doi:10.3390/info6020134

Analysis and Visualization for Hot Spot Based Route Recommendation Using Short-Dated Taxi GPS Traces

1,2
,
1,2,†
and
1,2,†,*
1
School of Computer Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
2
Key Laboratory of Visual Media Intelligent Process Technology of Zhejiang Province, Hangzhou 310023, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Min Yao
Received: 10 December 2014 / Revised: 13 April 2015 / Accepted: 14 April 2015 / Published: 21 April 2015
(This article belongs to the Special Issue Intelligent Data Analysis)
View Full-Text   |   Download PDF [1177 KB, uploaded 21 April 2015]   |  

Abstract

Taxi GPS traces, which contain a great deal of valuable information as regards to human mobility and city traffic, can be extracted to improve the quality of our lives. Since the method of visualized analysis is believed to be an effective way to present information vividly, we develop our analysis and visualization method based on a city’s short-dated taxi GPS traces, which can provide recommendation to help cruising taxi drivers to find potential passengers with optimal routes. With our approach, hot spots for loading and unloading passenger(s) are extracted using an improved DBSCAN algorithm after data preprocessing including cleaning and filtering. Then, this paper describes the start-end point-based similar trajectory method to get coarse-level trajectories clusters, together with the density-based ε distance trajectory clustering algorithm to identify recommended potential routes. A weighted tree is defined including such factors as driving time, velocity, distance and endpoint attractiveness for optimal route evaluation from vacant to occupied hot spots. An example is presented to show the effectiveness of our visualization method. View Full-Text
Keywords: taxi GPS traces; hot spots; trajectory cluster; recommended route taxi GPS traces; hot spots; trajectory cluster; recommended route
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Shen, Y.; Zhao, L.; Fan, J. Analysis and Visualization for Hot Spot Based Route Recommendation Using Short-Dated Taxi GPS Traces. Information 2015, 6, 134-151.

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