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Improved Heuristics for the Early/Tardy Scheduling Problem with No Idle Time

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Author Info

  • Jorge M. S. Valente

    ()
    (Faculdade de Economia da Universidade do Porto)

  • Rui A. F. S. Alves

    ()
    (Faculdade de Economia da Universidade do Porto)

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    Abstract

    In this paper we consider the single machine earliness/tardiness scheduling problem with no idle time. We present two new heuristics, a dispatch rule and a greedy procedure, and also consider the best of the existing dispatch rules. Both dispatch rules use a lookahead parameter that had previously been set at a fixed value. We develop functions that map some instance statistics into appropriate values for that parameter. We also consider the use of dominance rules to improve the solutions obtained by the heuristics. The computational results show that the function-based versions of the heuristics outperform their fixed value counterparts and that the use of the dominance rules can indeed improve solution quality with little additional computational effort.

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    File URL: http://www.fep.up.pt/investigacao/workingpapers/wp126.pdf
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    Bibliographic Info

    Paper provided by Universidade do Porto, Faculdade de Economia do Porto in its series FEP Working Papers with number 126.

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    Length: 17 pages
    Date of creation: Apr 2003
    Date of revision:
    Handle: RePEc:por:fepwps:126

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    Related research

    Keywords: scheduling; early/tardy; heuristics; dispatch rules; dominance rules;

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    References

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    1. Jorge M. S. Valente & Rui A. F. S. Alves, 2003. "Improved Lower Bounds for the Early/Tardy Scheduling Problem with No Idle Time," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 125, Universidade do Porto, Faculdade de Economia do Porto.
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    Citations

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    Cited by:
    1. Rui Henrique Alves, 2004. "Europe: Looking for a New Model," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 154, Universidade do Porto, Faculdade de Economia do Porto.
    2. Pedro Cosme Costa Vieira, 2005. "Multi Product Market Equilibrium with Sequential Search," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 166, Universidade do Porto, Faculdade de Economia do Porto.
    3. Filipe J. Sousa & Luis M. de Castro, 2004. "The strategic relevance of business relationships: a preliminary assessment," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 163, Universidade do Porto, Faculdade de Economia do Porto.
    4. Jorge M. S. Valente & Rui A. F. S. Alves, 2003. "Improved Lower Bounds for the Early/Tardy Scheduling Problem with No Idle Time," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 125, Universidade do Porto, Faculdade de Economia do Porto.
    5. Jorge M. S. Valente & Rui A. F. S. Alves, 2004. "Filtered and Recovering beam search algorithms for the early/tardy scheduling problem with no idle time," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 142, Universidade do Porto, Faculdade de Economia do Porto.
    6. Rosa Forte, 2004. "The relationship between foreign direct investment and international trade. Substitution or complementarity? A survey," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 140, Universidade do Porto, Faculdade de Economia do Porto.
    7. Pedro Cosme Costa Vieira, 2005. "The importance in the papers' impact of the number of pages and of co-authors - an empirical estimation with data from top ranking economic journals," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 169, Universidade do Porto, Faculdade de Economia do Porto.
    8. Cristina Barbot, 2004. "Low cost carriers, secondary airports and State aid: an economic assessment of the Charleroi affair," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 159, Universidade do Porto, Faculdade de Economia do Porto.
    9. Jorge M. S. Valente & Rui A. F. S. Alves, 2003. "An Exact Approach to Early/Tardy Scheduling with Release Dates," FEP Working Papers, Universidade do Porto, Faculdade de Economia do Porto 129, Universidade do Porto, Faculdade de Economia do Porto.

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