Locating emergency services with different priorities: the priority queuing covering location problem

Francisco J. Silva · Daniel Serra

72 citations0/0 files storedJournal of the Operational Research Society

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Facility Location and Emergency Management Vehicle Routing Optimization Methods Military Defense Systems Analysis

Abstract

Previous covering models for emergency service consider all the calls to be of the same importance and impose the same waiting time constraints independently of the service's priority. This type of constraint is clearly inappropriate in many contexts. For example, in urban medical emergency services, calls that involve danger to human life deserve higher priority over calls for more routine incidents. A realistic model in such a context should allow prioritizing the calls for service. In this paper, a covering model which considers different priority levels is formulated and solved. The model heritages its formulation from previous research on Maximum Coverage Models and incorporates results from Queuing Theory, in particular Priority Queuing. The additional complexity incorporated in the model justifies the use of a heuristic procedure.

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