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A Bicriterion Maximal Covering Location Formulation Which Considers the Satisfaction of Uncovered Demand

 

作者: Richard Church,   John Current,   James Storbeck,  

 

期刊: Decision Sciences  (WILEY Available online 1991)
卷期: Volume 22, issue 1  

页码: 38-52

 

ISSN:0011-7315

 

年代: 1991

 

DOI:10.1111/j.1540-5915.1991.tb01260.x

 

出版商: Blackwell Publishing Ltd

 

关键词: Location Models and Mathematical Programming.

 

数据来源: WILEY

 

摘要:

There have been many applications of the maximal covering location problem (MCLP). An underlying assumption of the MCLP is that demand not covered (i.e., not within a prespecified maximal distance of a facility) is not served. This may be an unrealistic assumption in many location planning scenarios, especially in the public sector. For example, in cases such as fire protection or ambulance service, calls not technically covered will still be serviced. The MCLP, however, does not consider the distances or travel times necessary to service such demand.This paper presents a bicriterion locational covering model which explicitly considers the travel distance or time necessary to service demand not within the maximal covering distance of a facility. The model may be used to generate noninferior (Pareto optimal) siting configurations which demonstrate the inherent trade‐offs between a siting scheme designed to maximize total coverage and one designed to minimize total travel time for uncovered demand to reach its nearest facility. In addition, it is shown that for any particular weighting scheme on the two objectives, the problem can be solved as ap‐median problem; a problem for which several efficient solution methods ex

 

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