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- W2914992186 abstract "We propose an exact optimization method for home healthcare delivery that relies on logic-based Benders decomposition (LBBD). The objective is to match patients with healthcare aides and schedule multiple home visits over a given time horizon, to maximize the number of patients served while taking into account patient requirements, travel time, and scheduling constraints. Unlike classical Benders methods, LBBD allows us to exploit a natural decomposition of the problem into a master problem, solved by mixed integer programming, and a subproblem that decouples into small scheduling problems, solved by constraint programming. We report computational results based on data obtained from a major home hospice care provider. We find that LBBD is far superior to mixed integer programming on all but a few instances with narrow time windows. It solves problems of realistic size to optimality if the aim is to conduct staff planning on a rolling basis, without temporal dependencies between visits. We also find that a version of LBBD known as branch and check usually outperforms standard LBBD on the instances tested." @default.
- W2914992186 created "2019-02-21" @default.
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- W2914992186 date "2019-03-01" @default.
- W2914992186 modified "2023-10-13" @default.
- W2914992186 title "A Logic-Based Benders Approach to Home Healthcare Delivery" @default.
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- W2914992186 doi "https://doi.org/10.1287/trsc.2018.0830" @default.
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