For the n-job single-machine weighted tardiness problem a priority rule is known, that holds for neighboring jobs in an optimal solution. This rule is exploited as an improvement step for four construction heuristics. Computational results for a large number of test problems up to size 80 and various values of problem parameters show improved results, while the computing times on a standard personal computer remain modest. (C) 1998 Elsevier Science Ltd. All rights reserved.
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Department of Industrial Engineering, University of Kurdistan, Pasdaran Boulvard, SanandajDepartment of Industrial Engineering, University of Kurdistan, Pasdaran Boulvard, Sanandaj
Ahmadizar F.
Hosseini L.
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Department of Industrial Engineering, University of Kurdistan, Pasdaran Boulvard, SanandajDepartment of Industrial Engineering, University of Kurdistan, Pasdaran Boulvard, Sanandaj
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Univ Arkansas, Dept Ind Engn, Bell Engn Ctr 4207, Fayetteville, AR 72701 USAUniv Arkansas, Dept Ind Engn, Bell Engn Ctr 4207, Fayetteville, AR 72701 USA
Mason, SJ
Fowler, JW
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机构:Univ Arkansas, Dept Ind Engn, Bell Engn Ctr 4207, Fayetteville, AR 72701 USA
Fowler, JW
Carlyle, WM
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机构:Univ Arkansas, Dept Ind Engn, Bell Engn Ctr 4207, Fayetteville, AR 72701 USA
Carlyle, WM
Montgomery, DC
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机构:Univ Arkansas, Dept Ind Engn, Bell Engn Ctr 4207, Fayetteville, AR 72701 USA
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Univ Porto, Fac Econ, Rua Dr Roberto Frias S-N, P-4200464 Oporto, PortugalUniv Porto, Fac Econ, Rua Dr Roberto Frias S-N, P-4200464 Oporto, Portugal
Goncalves, Tomas C.
Valente, Jorge M. S.
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Univ Porto, Fac Econ, LIAAD INESCTEC LA, Rua Dr Roberto Frias S-N, P-4200464 Oporto, PortugalUniv Porto, Fac Econ, Rua Dr Roberto Frias S-N, P-4200464 Oporto, Portugal
Valente, Jorge M. S.
Schaller, Jeffrey E.
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Eastern Connecticut State Univ, Dept Business Adm, 83 Windham St, Willimantic, CT 06226 USAUniv Porto, Fac Econ, Rua Dr Roberto Frias S-N, P-4200464 Oporto, Portugal