Journal
PRODUCTION AND OPERATIONS MANAGEMENT
Volume 18, Issue 4, Pages 459-474Publisher
WILEY
DOI: 10.1111/j.1937-5956.2009.01023.x
Keywords
project scheduling; resource constraints; uncertainty; stochastic activity durations; GRASP
Funding
- Ministerio de Educacion y Ciencia (Spain) [DPI2007-63100]
- Research Foundation-Flanders (FWO) (Belgium) [G. 0578.07]
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We investigate resource-constrained project scheduling with stochastic activity durations. Various objective functions related to timely project completion are examined, as well as the correlation between these objectives. We develop a GRASP-heuristic to produce high-quality solutions, using so-called descriptive sampling. The algorithm outperforms existing algorithms for expected-makespan minimization. The distribution of the possible makespan realizations for a given scheduling policy is also studied.
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