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Online Algorithms - What Is It Worth to Know the Future?

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Algorithms Unplugged

Abstract

Sometimes we have to find solutions for optimization problems where the problem specification is not completely known from the beginning. These are called online problems, and the parameters become known only little by little. In this chapter the authors are preparing for a skiing holiday, and they must decide whether it is better to buy or rent skis although they don’t yet know whether they will reuse them later. The authors then analyze another online problem, paging – deciding which memory pages should reside in the main memory of a computer and which ones should reside on hard disk only.

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Author information

Authors and Affiliations

  1. Humboldt-Universität zu Berlin, Berlin, Germany

    Susanne Albers

  2. Albert-Ludwigs-Universität Freiburg, Freiburg, Germany

    Swen Schmelzer

Authors
  1. Susanne Albers
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  2. Swen Schmelzer
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Editor information

Editors and Affiliations

  1. Lehrstuhl für Informatik I, Algorithmen und Komplexität, RWTH Aachen, Ahornstr. 55, Aachen, 52074, Germany

    Berthold Vöcking

  2. Institut für Informatik, Freie Universität Berlin, Takustr. 9, Berlin, 14195, Germany

    Helmut Alt

  3. Institut für Theoretische Informatik, Fakultät für Informatik, Technische Universität Ilmenau, Helmholtzplatz 1, Ilmenau, 98693, Germany

    Martin Dietzfelbinger

  4. Institut für Theoretische Informatik, Universität zu Lübeck, Ratzeburger Allee 160, Lübeck, 23538, Germany

    Rüdiger Reischuk

  5. Institut für Informatik, Universität Paderborn, Fürstenallee 11, Paderborn, 33102, Germany

    Christian Scheideler

  6. Institut für Theoretische Informatik, Leibniz Universität Hannover, Appelstr. 4, Hannover, 30167, Germany

    Heribert Vollmer

  7. Institut für Theoretische Informatik, Karlsruhe Institute of Technology (KIT), Am Fasanengarten 5, Karlsruhe, 76131, Germany

    Dorothea Wagner

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© 2011 Springer-Verlag Berlin Heidelberg

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Albers, S., Schmelzer, S. (2011). Online Algorithms - What Is It Worth to Know the Future?. In: Vöcking, B., et al. Algorithms Unplugged. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15328-0_37

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  • DOI: https://doi.org/10.1007/978-3-642-15328-0_37

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-15327-3

  • Online ISBN: 978-3-642-15328-0

  • eBook Packages: Computer ScienceComputer Science (R0)

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