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Operating Room (Re)Scheduling with Bed Management via ASP

机译：Operating Room (Re)Scheduling with Bed Management via ASP

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The Operating Room Scheduling (ORS) problem is the task of assigning patients to operatingrooms (ORs), taking into account different specialties, lengths, and priority scores of eachplanned surgery, OR session durations, and the availability of beds for the entire length ofstay (LOS) both in the Intensive Care Unit (ICU) and in the wards. A proper solution to theORS problem is of primary importance for the healthcare service quality and the satisfactionof patients in hospital environments. In this paper we first present a solution to the problembased on Answer Set Programming (ASP). The solution is tested on benchmarks with realisticsizes and parameters, on three scenarios for the target length on 5-day scheduling, common insmall–medium-sized hospitals, and results show that ASP is a suitable solving methodology forthe ORS problem in such setting. Then, we also performed a scalability analysis on the schedulelength up to 15 days, which still shows the suitability of our solution also on longer plan horizons.Moreover, we also present an ASP solution for the rescheduling problem, that is, when theoffline schedule cannot be completed for some reason. Finally, we introduce a web frameworkfor managing ORS problems via ASP that allows a user to insert the main parameters of theproblem, solve a specific instance, and show results graphically in real time.

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