A Fast Greedy Heuristic for Scheduling Modular Projects
KU Leuven Faculty of Business and Economics KBI 1227
21 Pages Posted: 5 Apr 2013
Date Written: 2012
Abstract
This article describes a heuristic for scheduling so-called ‘modular’ projects. Exact solutions to this NP-hard problem can be obtained with existing branch-and-bound and dynamic-programming algorithms, but only for small to medium-size instances. The proposed heuristic, by contrast, can be used even for large instances, or when instances are particularly difficult because of their characteristics, such as a low network density. The proposed heuristic draws from existing results in the literature on sequential testing, which will be briefly reviewed. The performance of the heuristic is assessed over a dataset of 360 instances.
Keywords: scheduling, greedy heuristics, modular projects
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