A Pareto-based search methodology for multi-objective nurse scheduling

Edmund Burke (), Jingpeng Li () and Rong Qu ()

Annals of Operations Research, 2012, vol. 196, issue 1, 109 pages

Abstract: In this paper, we propose a search technique for nurse scheduling, which deals with it as a multi-objective problem. For each nurse, we first randomly generate a set of legal shift patterns which satisfy all shift-related hard constraints. We then employ an adaptive heuristic to quickly find a solution with the least number of violations on the coverage-related hard constraint by assigning one of the available shift patterns of each nurse. Next, we apply a coverage repairing procedure to make the resulting solution feasible, by adding/removing any under-covered/over-covered shifts. Finally, to satisfy the soft constraints (or preferences), we present a simulated annealing based search method with the following two options: one with a weighted-sum evaluation function which encourages moves towards users’ predefined preferences, and another one with a domination-based evaluation function which encourages moves towards a more diversified approximated Pareto set. Computational results demonstrate that the proposed technique is applicable to modern hospital environments. Copyright Springer Science+Business Media, LLC 2012

Keywords: Multi-objective optimization; Integer programming; Meta-heuristic search; Nurse scheduling (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/s10479-009-0590-8

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