[PDF] Top 20 A hybrid integer and constraint programming approach to solve nurse rostering problems

... the hybrid algorithm as a ...the integer constraints), the employed IP solver might be able to solve the problem in better performance due to the identification of a specific data ... See full document

... The Nurse Rostering Problem can be defined as assigning a series of shift sequences (schedules) to several nurses over a planning horizon according to some limitations and ...a hybrid algorithm, ... See full document

... the hybrid algorithm is particularly designed to perform well in short computational times, and also it is common to use short times, as seen in the relevant literature and the nurse rostering ... See full document

... the hybrid algorithm is particularly designed to perform well in short computational times, and also it is common to use short times, as seen in the relevant literature and the nurse rostering ... See full document

... to solve a linear programming problem in which the constraint coefficients were not precisely ...for constraint violations. The proposed approach simulated every fuzzy number by ... See full document

... to solve the portfolio selection problems by a multi-level exploitation in the search ...decomposition approach, where variables are decomposed according to their different features and layered into ... See full document

... various constraint formulations from the literature while also adding working region constraints to the ...avoidance approach is proposed here to tackle work- force scheduling and routing problems ... See full document

... the rostering of nurses (Hung gives a survey in [4]) few exist for the case of physician ...to solve some of the instances ...mathematical approach is given by Beaulieu et ...for nurse ... See full document

... dynamic programming does not perform too well when tackling difficult combinatorial optimisation problem such as multi-stage nurse ...a hybrid approach that generates sets of weekly rosters ... See full document

... In the third part, we removed only the Weight Balancer component. The results show similar duality gaps to the second part for all the instances except a reduction for instance ORTEC02, and an increase for instance ... See full document

... medium-sized problems, IP solvers are often efficient to find the optimal solution and to generate strong lower ...large-scale problems, or even small-scale problems with a highly-constrained ... See full document

... Finding an initial basic feasible solution is the prime requirement to obtain an optimal solution for the transportation problems. In this article, a new approach is proposed to find an initial basic ... See full document

... Nurse Rostering Problem (NRP) or the Nurse Scheduling Problem (NSP) is a complex scheduling problem that affects hospital personnel on a daily basis all over the world and is known to be ...a ... See full document

... the domains of its variables that are not consistent with it. The propagation mechanism applies filtering algorithms of C to reduce the domains of variables in turn until no reduction can be done. For convenience, we ... See full document

... the approach ran out of ...simulation approach is a combina- tion of optimal weekly ...each nurse is set as 4 to avoid local constraint ...each nurse is 16 in the final ...global ... See full document

... mixed integer bi-level programming is ...linear programming is ...to solve for mixed integer bi-level ...the problems, but also it is competitive with other famous published ... See full document

... our approach obtains the optimal solution in all cases we have experimented ...proposed approach when the cases have small ...proposed approach, specially considering that our testing has been done ... See full document

... The method developed can be easily applied to any real world problem with trapezoidal/triangular/interval distributions such as distribution planning decision problems, assignment problems, job allocation ... See full document

... Linear Programming Problems (LPPs) as well as Integer Linear Programming Problems ...can solve ILPPs by dividing original problem into two easier problems, namely Master ... See full document

... stochastic programming problem with a number of random parameters in the set of ...general approach and results of the proposed framework are illustrated on an example of advertisement ... See full document