NDLI: Supported High-Update Method on Road Network

Content Provider	IEEE Xplore Digital Library
Author	Jiajin Le Liangxu Liu Yongming Guo Mingyou Ying
Copyright Year	2008
Description	Author affiliation: Sch. of Comput. Sci. & Technol., Donghua Univ., Shanghai (Jiajin Le; Liangxu Liu)
Abstract	Along with the development of communication and wireless technologies, more applications require that moving objects' locations on road network can be sampled continuously to database to maintain the positions information, such as traffic control. This paper presents a network-based index structure, called Group Update Time Parameter R-tree (GTR-tree). First, GTR-tree employs R-tree to index the edges of road network to maintain R-tree stability and support network-based query; second, it introduces group update, which not only buffers insertion entries and then deal with them in group, but also maintains obsolete information by Obsolete Table, to reduce I/O. Third, point values are modeled as a linear function of time. Finally, a performance analysis and experimental studies on update and query disk I/O cost are provided. The result shows that its update and query costs are greatly lower than TPR*-tree.
Starting Page	1
Ending Page	4
File Size	129632
Page Count	4
File Format	PDF
ISBN	9781424421077
DOI	10.1109/WiCom.2008.1198
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-12
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computer science Wireless communication Costs Databases Stability Roads Communications technology Performance analysis Sun Indexing
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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