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Processing (Multiple) Spatio-temporal Range Queries in Multicore Settings

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Advances in Databases and Information Systems (ADBIS 2011)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 6909))

Abstract

Research in Moving Objects Databases (MOD) has addressed various aspects of storing and querying trajectories of moving objects: from modelling, through linguistic constructs and formalisms/ algebras, to indexing structures and efficient processing of different query-categories have been subjects to a large body of works. Given the architectural trends of multicore CPUs becoming a commonplace, in this work we focus on efficient processing of spatio-temporal range queries in such settings. We postulate that coupling the semantics of the problem domain into the query processing algorithms in a manner that is aware of the multicore features, can yield performance improvements that surpass the gains obtained by relying solely on the compiler-generated threads parallelization. Towards that end, we present and evaluate heuristics for processing variants spatio-temporal range queries in multicore settings by partitioning the load (i.e., data set) and assigning partial tasks to the individual cores. Our experiments demonstrate that 5-fold speed-ups can be achieved, when compared to the (semi) naive approach which relies on the compiler to generate the multicore-compatible code.

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Authors and Affiliations

  1. Dept. of Electrical Engineering and Computer Science, Northwestern University, Evanston, Il, 60208, USA

    Goce Trajcevski, Anan Yaagoub & Peter Scheuermann

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  1. Goce Trajcevski
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  2. Anan Yaagoub
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  3. Peter Scheuermann
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Editor information

Editors and Affiliations

  1. Alpen Adria Universität Klagenfurt, Institut für Informatik-Systeme, Universitätsstr. 65, 9020, Klagenfurt, Austria

    Johann Eder

  2. Faculty of Informatics and Information Technologies, Slovak University of Technology in Bratislava, Ilkoviçova 3, 842 16, Bratislava, Slovakia

    Maria Bielikova

  3. Institut für Softwaretechnik, Technische Universität Wien, Favoritenstr. 9-11/188, 1040, Wien, Austria

    A Min Tjoa

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Trajcevski, G., Yaagoub, A., Scheuermann, P. (2011). Processing (Multiple) Spatio-temporal Range Queries in Multicore Settings. In: Eder, J., Bielikova, M., Tjoa, A.M. (eds) Advances in Databases and Information Systems. ADBIS 2011. Lecture Notes in Computer Science, vol 6909. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23737-9_16

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  • DOI: https://doi.org/10.1007/978-3-642-23737-9_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-23736-2

  • Online ISBN: 978-3-642-23737-9

  • eBook Packages: Computer ScienceComputer Science (R0)

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