NDLI: Efficient route search on hierarchical dynamic road networks

Content Provider	Springer Nature Link
Author	Xu, Jiajie Gao, Yunjun Liu, Chengfei Zhao, Lei Ding, Zhiming
Copyright Year	2014
Abstract	The widespread use of GPS navigations and trip planning on web has aroused considerable interests in fast and scalable path query processing. Existing research has mostly focused on static route optimization where the traffic network is assumed to be stable. Nevertheless, in most cases, route planning is in the presence of frequent updates to the traffic graph due to the dynamic nature of traffic network, and such updates always greatly affect the performance of route planning. Most existing methods, however, cannot efficiently support traffic aware route planning. In this paper, two efficient strategies are proposed to handle this problem. We analyze the traffic condition on the road network and explore spatio-temporal knowledge to guide effective route planning. In particular, several effective techniques are employed to avoid both unnecessary calculations on huge graph and excessive re-calculations caused by traffic condition updates. A comprehensive experiment is also conducted to evaluate the performance of our proposed strategies.
Starting Page	227
Ending Page	252
Page Count	26
File Format	PDF
ISSN	09268782
Journal	Distributed and Parallel Databases
Volume Number	33
Issue Number	2
e-ISSN	15737578
Language	English
Publisher	Springer US
Publisher Date	2014-03-02
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Route planning Road networks Road hierarchy Dynamic road networks Spatio-temporal analysis Query processing Database Management Data Structures Information Systems Applications (incl. Internet) Operating Systems Memory Structures
Content Type	Text
Resource Type	Article
Subject	Information Systems and Management Information Systems Software Hardware and Architecture

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