A motion-aware approach for efficient evaluation of continuous queries on 3D object databases

A motion-aware approach for efficient evaluation of continuous queries on 3D object databases With recent advances in mobile computing technologies, mobile devices can render 3D objects realistically. Users of these devices such as tourists, mixed-reality gamers, and rescue officers, often need real-time retrieval of 3D objects over wireless networks. Due to bandwidth and latency restrictions in mobile settings, efficient continuous retrieval of 3D objects is a major challenge. In this paper, we present a motion-aware approach to this problem in a client-server model. Specifically, we propose: (i) representing 3D objects in multiple resolutions through wavelets to facilitate motion-aware incremental retrieval, (ii) motion-aware buffer management schemes for both client and server, (iii) an efficient index structure for 3D objects represented by wavelets, and (iv) techniques for processing group queries exploiting group motion behavior of clients. The results of our extensive experimental study demonstrate the effectiveness of our solution. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The VLDB Journal Springer Journals

A motion-aware approach for efficient evaluation of continuous queries on 3D object databases

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Publisher
Springer-Verlag
Copyright
Copyright © 2010 by Springer-Verlag
Subject
Computer Science; Database Management
ISSN
1066-8888
eISSN
0949-877X
D.O.I.
10.1007/s00778-010-0182-x
Publisher site
See Article on Publisher Site

Abstract

With recent advances in mobile computing technologies, mobile devices can render 3D objects realistically. Users of these devices such as tourists, mixed-reality gamers, and rescue officers, often need real-time retrieval of 3D objects over wireless networks. Due to bandwidth and latency restrictions in mobile settings, efficient continuous retrieval of 3D objects is a major challenge. In this paper, we present a motion-aware approach to this problem in a client-server model. Specifically, we propose: (i) representing 3D objects in multiple resolutions through wavelets to facilitate motion-aware incremental retrieval, (ii) motion-aware buffer management schemes for both client and server, (iii) an efficient index structure for 3D objects represented by wavelets, and (iv) techniques for processing group queries exploiting group motion behavior of clients. The results of our extensive experimental study demonstrate the effectiveness of our solution.

Journal

The VLDB JournalSpringer Journals

Published: Oct 1, 2010

References

  • Modeling wireless links for transport protocols
    Gurtov, A.; Floyd, S.

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