English, Article, Journal or magazine article edition: Beam search algorithms for the early/tardy scheduling problem with release dates Jorge M. S. Valente; Rui A. F. S. Alves

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Bookmark: http://trove.nla.gov.au/version/182707
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Beam search algorithms for the early/​tardy scheduling problem with release dates
Author
  • Jorge M. S. Valente
  • Rui A. F. S. Alves
Physical Description
  • preprint
Notes
  • In this paper we consider the single machine earliness/​tardiness scheduling problem with di?erent release dates and no unforced idle time. We present several heuristic algorithms based on the beam search technique. These algorithms include classical beam search procedures, with both priority and total cost evaluation functions, as well as the filtered and recovering variants. Both priority evaluation functions and problem-specific properties were considered for the filtering step used in the filtered and recovering beam search heuristics. Extensive preliminary tests were performed to determine appropriate values for the parameters used by each algorithm. The computational results show that the recovering beam search algorithms outperform their filtered counterparts in both solution quality and computational requirements, while the priority-based filtering procedure proves superior to the rules-based alternative. The beam search procedure with a total cost evaluation function provides very good results, but is computationally expensive and can therefore only be applied to small or medium size instances. The recovering algorithm is quite close in solution quality and is significantly faster, so it can be used to solve even large instances.
  • scheduling, early/​tardy, beam search, heuristics
  • RePEc:por:fepwps:143
Language
  • English
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