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CAT: Correct Answers of Continuous Queries Using Triggers

  • Conference paper
Advances in Database Technology - EDBT 2004 (EDBT 2004)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 2992))

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Abstract

Consider the query Q1: Retrieve all the motels which will be no further then 1.5 miles from my route, sometime between 7:00PM and 8:30PM, which a mobile user posed to the Moving Objects Database (MOD). Processing such queries is of interest to wide range of applications (e.g. tourist information systems and context awareness [1,2]). These queries pertain to the future of a dynamic world. Since MOD is only a model of the objects moving in the real world, the accuracy of the representation has to be continuously veri.ed and updated, and the answer-set of Q1 has to be re-evaluated in every clock-tick1. However, the re-evaluation of such queries can be avoided if an update to the MOD does not a.ect the answer-set.

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References

  1. Hinze, A., Voisard, A.: Location-and time-based information delivery in tourism. In: Hadzilacos, T., Manolopoulos, Y., Roddick, J., Theodoridis, Y. (eds.) SSTD 2003. LNCS, vol. 2750, Springer, Heidelberg (2003)

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  2. Pashtan, A., Blatter, R., Heusser, A., Scheuermann, P.: Catis: A context-aware tourist information system. In: IMC (2003)

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  3. Sistla, A.P., Wolfson, O., Chamberlain, S., Dao, S.: Modeling and querying moving objects. In: ICDE (1997)

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  4. Trajcevski, G., Scheuermann, P.: Triggers and continuous queries in moving objects databases. In: MDDS (2003)

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  5. Trajcevski, G., Wolfson, O., Xu, B., Nelson, P.: Real-time traffic updates in moving object databases. In: MDDS (2002)

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Author information

Authors and Affiliations

  1. Department of Electrical and Computer Engineering, Northwestern University, Evanston, Il, 60208

    Goce Trajcevski & Peter Scheuermann

  2. Department of Computer Science, University of Illinois at Chicago, Chicago, Il, 60607

    Ouri Wolfson & Nimesh Nedungadi

Authors
  1. Goce Trajcevski
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  2. Peter Scheuermann
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  3. Ouri Wolfson
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  4. Nimesh Nedungadi
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Editor information

Editors and Affiliations

  1. Purdue University,  

    Elisa Bertino

  2. Laboratory of Distributed Multimedia Information Systems and Applications, Technical University of Crete (MUSIC/TUC) Chania, 73100, Crete, Greece

    Stavros Christodoulakis

  3. Institute of Computer Science, FO.R.T.H., Vassilika Vouton, P.O. Box 1385, GR 71110, Heraklion, Greece

    Dimitris Plexousakis

  4. Department of Computer Science, University of Crete, P.O.Box 2208, GR 71409, Heraklion, Greece

    Vassilis Christophides

  5. National and Kapodistrian University of Athens, Greece

    Manolis Koubarakis

  6. IPD, Universität Karlsruhe, Am Fasanengarten 5, 76131, Karlsruhe,  

    Klemens Böhm

  7. Department of Computer Science and Communication, University of Insubria, 22100, Varese, Italy

    Elena Ferrari

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© 2004 Springer-Verlag Berlin Heidelberg

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Cite this paper

Trajcevski, G., Scheuermann, P., Wolfson, O., Nedungadi, N. (2004). CAT: Correct Answers of Continuous Queries Using Triggers. In: Bertino, E., et al. Advances in Database Technology - EDBT 2004. EDBT 2004. Lecture Notes in Computer Science, vol 2992. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24741-8_52

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  • DOI: https://doi.org/10.1007/978-3-540-24741-8_52

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-21200-3

  • Online ISBN: 978-3-540-24741-8

  • eBook Packages: Springer Book Archive

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