# New representation to reduce the search space for the resource-constrained project scheduling problem

Khaled Moumene; Jacques A. Ferland

RAIRO - Operations Research (2008)

- Volume: 42, Issue: 2, page 215-228
- ISSN: 0399-0559

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topMoumene, Khaled, and Ferland, Jacques A.. "New representation to reduce the search space for the resource-constrained project scheduling problem." RAIRO - Operations Research 42.2 (2008): 215-228. <http://eudml.org/doc/250390>.

@article{Moumene2008,

abstract = {
This paper describes a new representation for the solutions of the resource-constrained project scheduling problem (RCPSP) denoted Activity Set List. The most efficient heuristics for the problem use the activity list representation and the serial SGS method to construct the corresponding solution (schedule). The activity list may induce a search space of representations much larger then the space of schedules because the same schedule can correspond to many different activity list representations. We indicate how the activity set list representation can significantly reduce the search space, and how to move more efficiently through it. Furthermore, this new representation never excludes the optimal solution and it has many interesting properties. An evaluation of the search space reduction induced by this representation is made for the most used library of instances in the literature. The activity set list representation may be used to construct a new category of more efficient solution procedures for the problem.
},

author = {Moumene, Khaled, Ferland, Jacques A.},

journal = {RAIRO - Operations Research},

keywords = {Project scheduling; Resource-constrained project scheduling; Activity list representation; Activity set list representation; Heuristics and metaheuristics.; project scheduling; resource-constrained project scheduling; activity list representation; activity set list representation; heuristics and metaheuristics},

language = {eng},

month = {5},

number = {2},

pages = {215-228},

publisher = {EDP Sciences},

title = {New representation to reduce the search space for the resource-constrained project scheduling problem},

url = {http://eudml.org/doc/250390},

volume = {42},

year = {2008},

}

TY - JOUR

AU - Moumene, Khaled

AU - Ferland, Jacques A.

TI - New representation to reduce the search space for the resource-constrained project scheduling problem

JO - RAIRO - Operations Research

DA - 2008/5//

PB - EDP Sciences

VL - 42

IS - 2

SP - 215

EP - 228

AB -
This paper describes a new representation for the solutions of the resource-constrained project scheduling problem (RCPSP) denoted Activity Set List. The most efficient heuristics for the problem use the activity list representation and the serial SGS method to construct the corresponding solution (schedule). The activity list may induce a search space of representations much larger then the space of schedules because the same schedule can correspond to many different activity list representations. We indicate how the activity set list representation can significantly reduce the search space, and how to move more efficiently through it. Furthermore, this new representation never excludes the optimal solution and it has many interesting properties. An evaluation of the search space reduction induced by this representation is made for the most used library of instances in the literature. The activity set list representation may be used to construct a new category of more efficient solution procedures for the problem.

LA - eng

KW - Project scheduling; Resource-constrained project scheduling; Activity list representation; Activity set list representation; Heuristics and metaheuristics.; project scheduling; resource-constrained project scheduling; activity list representation; activity set list representation; heuristics and metaheuristics

UR - http://eudml.org/doc/250390

ER -

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