In this chapter, (mixed-)integer linear programming formulations of the resource-constrained proj... more In this chapter, (mixed-)integer linear programming formulations of the resource-constrained project scheduling problem are presented. Standard formulations from the literature and newly proposed formulations are classified according to their size in function of the input data. According to this classification, compact models (of polynomial size), pseudo-polynomial sized models, and formulations of exponential size are presented. A theoretical and experimental comparison of these formulations is then given. The complementarity of the formulations for different usages is finally discussed and directions for future work, such as hybridization with other methods, are given.
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