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A GRASP-Tabu Search Algorithm for Solving School Timetabling Problems

  • Marcone Jamilson Freitas Souza
  • Nelson Maculan
  • Luis Satoru Ochi
Chapter
Part of the Applied Optimization book series (APOP, volume 86)

Abstract

This paper proposes a hybrid approach to solve school timetabling problems. This approach is a GRASP that uses a partially greedy procedure to construct an initial solution and attempts to improve the constructed solution using Tabu Search. When an infeasible solution without overlapping classes is generated, a procedure called Intraclasses-Interclasses is activated, trying to retrieve feasibility. If successful, it is reactivated, in an attempt to improve the timetable’s compactness as well as other requirements. Computational results show that the Intraclasses-Interclasses procedure speeds up the process of obtaining better quality solutions.

Keywords

Metaheuristics GRASP Tabu search School timetabling. 

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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • Marcone Jamilson Freitas Souza
    • 1
  • Nelson Maculan
    • 2
  • Luis Satoru Ochi
    • 3
  1. 1.Department of Computer ScienceFederal University of Ouro PretoOuro PretoBrazil
  2. 2.Systems Engineering and Computer Science ProgramFederal University of Rio de JaneiroRio de JaneiroBrazil
  3. 3.Department of Computer ScienceFluminense Federal UniversityNiteróiBrazil

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